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.

Example Input: [140.652, 95.04]
Example Output: [0.597 0.403]

Example Input: [220.782, -40.434, 66.368, -43.265]
Example Output: [ 1.085 -0.199  0.326 -0.213]

Example Input: [104.252, 130.651, 106.294, -87.848, -32.143, -77.53, -4.449]
Example Output:
[ 0.749  0.938  0.763 -0.631 -0.231 -0.557 -0.032]