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: [-13.424, -32.883, 156.355, 74.944, 126.588]
Example Output: [-0.043 -0.106  0.502  0.241  0.406]

Example Input: [200.637, -31.315, 78.428]
Example Output: [ 0.81  -0.126  0.317]

Example Input: [17.897, 98.362, 238.815, 47.182, 129.056, -33.09, 177.233]
Example Output:
[ 0.026  0.146  0.354  0.07   0.191 -0.049  0.262]