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Finding the Fourth Proportional to 417,209.55, 625,607.27 and 132,863.04

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Solution

The fourth proportional to 417,209.55, 625,607.27 and 132,863.04 is: 199,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,209.55 : 625,607.27 = 132,863.04 : x
  2. Step 2: Convert to fraction form
    417,209.55/625,607.27 = 132,863.04/x
  3. Step 3: Cross multiply
    417,209.55x = 625,607.27 × 132,863.04
  4. Step 4: Simplify right side
    417,209.55x = 83,120,083,073.99
  5. Step 5: Solve for x
    x = 83,120,083,073.99/417,209.55
  6. Step 6: Final answer
    x = 199,228.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.