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Finding the Fourth Proportional to 371,696.58, 512,892.20 and 235,490.22

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Solution

The fourth proportional to 371,696.58, 512,892.20 and 235,490.22 is: 324,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,696.58 : 512,892.20 = 235,490.22 : x
  2. Step 2: Convert to fraction form
    371,696.58/512,892.20 = 235,490.22/x
  3. Step 3: Cross multiply
    371,696.58x = 512,892.20 × 235,490.22
  4. Step 4: Simplify right side
    371,696.58x = 120,781,097,603.01
  5. Step 5: Solve for x
    x = 120,781,097,603.01/371,696.58
  6. Step 6: Final answer
    x = 324,945.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.