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: [29.068, 213.227, 121.568]
Example Output: [0.08  0.586 0.334]

Example Input: [102.894, -36.643, 220.92, -66.805, 60.024, 54.327, 223.62]
Example Output: [ 0.184 -0.066  0.396 -0.12   0.108  0.097  0.401]

Example Input: [229.724, 231.168, 81.497]
Example Output:
[0.424 0.426 0.15 ]