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: [-20.973, 236.989, 164.174, 69.094, 201.908, 8.85, 28.361, -73.779]
Example Output: [-0.034  0.386  0.267  0.112  0.329  0.014  0.046 -0.12 ]

Example Input: [-97.195, 72.11, 249.886, 154.489, -91.851, -38.023, 180.404]
Example Output: [-0.226  0.168  0.581  0.359 -0.214 -0.088  0.42 ]

Example Input: [129.376, -9.571, 181.192, 61.428, -57.961, 22.637, 55.07, -17.446, 242.065]
Example Output:
[ 0.213 -0.016  0.299  0.101 -0.096  0.037  0.091 -0.029  0.399]