We're dividing 4225206 by 504 
The aim is to understand the frequency of 504 in 4225206.

Going ahead to step 1:
504 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 504

Moving on to step 2:
The number 504 fits into 42 0 times, leaving a remainder of 42.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 42 leaves us with 42.
Grab the next digit (2) from the dividend, add it to 42, then carry on: 422 / 504

Step 3:
422 divided by 504 is 0 with a remainder of 422.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 422 leaves us with 422.
Bring next digit (5) of the dividend behind the 422 and repeat the process: 4225 / 504

Moving on to step 4:
The number 504 fits into 4225 8 times, leaving a remainder of 193.
The next digit of our result is 8. 
Result so far: 8.0
If we subtract 4032 from 4225, we get 193.
Bring next digit (2) of the dividend behind the 193 and repeat the process: 1932 / 504

Moving on to step 5:
If we divide 1932 by 504, we get 3 and a remainder of 420.
The number 3 becomes the next digit in our result. 
Result so far: 83.0
If we subtract 1512 from 1932, we get 420.
Take the next digit (0) from the dividend and append it to 420, then repeat: 4200 / 504

On to step 6:
4200 divided by 504 is 8 with a remainder of 168.
Write down 8 as next digit of the result. 
Result so far: 838.0
If we subtract 4032 from 4200, we get 168.
Append the next digit (6) from the dividend to 168 and continue with: 1686 / 504

Advancing to step 7:
The number 504 fits into 1686 3 times, leaving a remainder of 174.
Use 3 as the next digit of our solution. 
Result so far: 8383.0
If we take 1512 away from 1686, we end up with 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1740, and continue the process.

Advancing to step 8:
504 can be fit into 1740 3 times, resulting in a remainder of 228.
The number 3 becomes the next digit in our result. 
Result so far: 8383.3
Deduct 1512 from 1740 and we're left with 228.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2280, and continue the process.

Advancing to step 9:
If we divide 2280 by 504, we get 4 and a remainder of 264.
The number 4 becomes the next digit in our result. 
Result so far: 8383.34
Subtracting 2016 from 2280 leaves us with 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Let's proceed to step 10:
When dividing 2640 by 504, we get 5 with a remainder of 120.
Put 5 as the next digit of the answer. 
Result so far: 8383.345
Subtract 2520 from 2640 to get 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Moving on to step 11:
If we divide 1200 by 504, we get 2 and a remainder of 192.
The next digit of our result is 2. 
Result so far: 8383.3452
Subtracting 1008 from 1200 leaves us with 192.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1920, and continue the process.

Moving on to step 12:
504 can be fit into 1920 3 times, resulting in a remainder of 408.
Write down 3 as next digit of the result. 
Result so far: 8383.34523
Subtract 1512 from 1920 to get 408.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4080, and continue the process.

Step 13:
504 goes into 4080 8 times with a remainder of 48.
The next digit of our result is 8. 
Result so far: 8383.345238
Deduct 4032 from 4080 and we're left with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Advancing to step 14:
480 divided by 504 is 0 with a remainder of 480.
Record the quotient 0 as the next digit in the result. 
Result so far: 8383.345238
Subtract 0 from 480 to get 480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4800, and continue the process.

On to step 15:
When dividing 4800 by 504, we get 9 with a remainder of 264.
Record the quotient 9 as the next digit in the result. 
Result so far: 8383.34523809
Subtract 4536 from 4800 to get 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

The final outcome is 8383.34523809, with a leftover of 2.64e-07.