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Finding the Fourth Proportional to 488,523.30, 732,914.55 and 172,947.30

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Solution

The fourth proportional to 488,523.30, 732,914.55 and 172,947.30 is: 259,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,523.30 : 732,914.55 = 172,947.30 : x
  2. Step 2: Convert to fraction form
    488,523.30/732,914.55 = 172,947.30/x
  3. Step 3: Cross multiply
    488,523.30x = 732,914.55 × 172,947.30
  4. Step 4: Simplify right side
    488,523.30x = 126,755,592,553.22
  5. Step 5: Solve for x
    x = 126,755,592,553.22/488,523.30
  6. Step 6: Final answer
    x = 259,466.83

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1.5x scale

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.