We divide 288522 by 7
The aim is to understand the frequency of 7 in 288522.

On to step 1:
7 goes into 2 0 times with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Include the next digit (8) from the dividend after 2, then repeat: 28 / 7

Let's proceed to step 2:
When dividing 28 by 7, we get 4 with a remainder of 0.
Put 4 as the next digit of the answer. 
Result so far: 4.0
If we subtract 28 from 28, we get 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 7

Advancing to step 3:
The number 7 fits into 8 1 times, leaving a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 41.0
Subtract 7 from 8 to get 1.
Include the next digit (5) from the dividend after 1, then repeat: 15 / 7

On to step 4:
If we divide 15 by 7, we get 2 and a remainder of 1.
Use 2 as the next digit of our solution. 
Result so far: 412.0
Deduct 14 from 15 and we're left with 1.
Grab the next digit (2) from the dividend, add it to 1, then carry on: 12 / 7

Advancing to step 5:
7 goes into 12 1 times with a remainder of 5.
Use 1 as the next digit of our solution. 
Result so far: 4121.0
Deduct 7 from 12 and we're left with 5.
Append the next digit (2) from the dividend to 5 and continue with: 52 / 7

On to step 6:
If we divide 52 by 7, we get 7 and a remainder of 3.
The number 7 becomes the next digit in our result. 
Result so far: 41217.0
If we subtract 49 from 52, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 7:
7 goes into 30 4 times with a remainder of 2.
The number 4 becomes the next digit in our result. 
Result so far: 41217.4
Deduct 28 from 30 and we're left with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 8:
When dividing 20 by 7, we get 2 with a remainder of 6.
The next digit of our result is 2. 
Result so far: 41217.42
The remainder is 6 after subtracting 14 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 9:
The number 7 fits into 60 8 times, leaving a remainder of 4.
Use 8 as the next digit of our solution. 
Result so far: 41217.428
Subtract 56 from 60 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Step 10:
7 can be fit into 40 5 times, resulting in a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 41217.4285
If we take 35 away from 40, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 11:
50 divided by 7 is 7 with a remainder of 1.
The next digit of our result is 7. 
Result so far: 41217.42857
Subtracting 49 from 50 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 12:
7 can be fit into 10 1 times, resulting in a remainder of 3.
The next digit of our result is 1. 
Result so far: 41217.428571
Subtracting 7 from 10 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 13:
The number 7 fits into 30 4 times, leaving a remainder of 2.
Put 4 as the next digit of the answer. 
Result so far: 41217.4285714
Subtract 28 from 30 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 14:
If we divide 20 by 7, we get 2 and a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 41217.42857142
Subtracting 14 from 20 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

The final outcome is 41217.42857142, with a leftover of 6e-09.