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Finding the Fourth Proportional to 488,517.48, 732,688.38 and 172,976.04

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Solution

The fourth proportional to 488,517.48, 732,688.38 and 172,976.04 is: 259,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,517.48 : 732,688.38 = 172,976.04 : x
  2. Step 2: Convert to fraction form
    488,517.48/732,688.38 = 172,976.04/x
  3. Step 3: Cross multiply
    488,517.48x = 732,688.38 × 172,976.04
  4. Step 4: Simplify right side
    488,517.48x = 126,737,534,526.42
  5. Step 5: Solve for x
    x = 126,737,534,526.42/488,517.48
  6. Step 6: Final answer
    x = 259,432.96

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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.