Definition: In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Input: [217.26, 67.481, 11.378, 177.736, 70.97, 139.077, 247.606, 71.69, 228.734, -48.141]

[ 0.184  0.057  0.01   0.15   0.06   0.117  0.209  0.061  0.193 -0.041]