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Finding the Fourth Proportional to 488,474.10, 732,711.15 and 404,493.30

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Solution

The fourth proportional to 488,474.10, 732,711.15 and 404,493.30 is: 606,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,474.10 : 732,711.15 = 404,493.30 : x
  2. Step 2: Convert to fraction form
    488,474.10/732,711.15 = 404,493.30/x
  3. Step 3: Cross multiply
    488,474.10x = 732,711.15 × 404,493.30
  4. Step 4: Simplify right side
    488,474.10x = 296,376,751,010.30
  5. Step 5: Solve for x
    x = 296,376,751,010.30/488,474.10
  6. Step 6: Final answer
    x = 606,739.95

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Similar ratio
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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.