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Finding the Fourth Proportional to 625,572.72, 938,456.28 and 204,751.80

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Solution

The fourth proportional to 625,572.72, 938,456.28 and 204,751.80 is: 307,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,572.72 : 938,456.28 = 204,751.80 : x
  2. Step 2: Convert to fraction form
    625,572.72/938,456.28 = 204,751.80/x
  3. Step 3: Cross multiply
    625,572.72x = 938,456.28 × 204,751.80
  4. Step 4: Simplify right side
    625,572.72x = 192,150,612,551.30
  5. Step 5: Solve for x
    x = 192,150,612,551.30/625,572.72
  6. Step 6: Final answer
    x = 307,159.51

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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.