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Finding the Fourth Proportional to 351,565.92, 527,381.28 and 114,909.84

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Solution

The fourth proportional to 351,565.92, 527,381.28 and 114,909.84 is: 172,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,565.92 : 527,381.28 = 114,909.84 : x
  2. Step 2: Convert to fraction form
    351,565.92/527,381.28 = 114,909.84/x
  3. Step 3: Cross multiply
    351,565.92x = 527,381.28 × 114,909.84
  4. Step 4: Simplify right side
    351,565.92x = 60,601,298,503.80
  5. Step 5: Solve for x
    x = 60,601,298,503.80/351,565.92
  6. Step 6: Final answer
    x = 172,375.35

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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.