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Finding the Fourth Proportional to 488,543.40, 732,815.10 and 133,593.30

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Solution

The fourth proportional to 488,543.40, 732,815.10 and 133,593.30 is: 200,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,543.40 : 732,815.10 = 133,593.30 : x
  2. Step 2: Convert to fraction form
    488,543.40/732,815.10 = 133,593.30/x
  3. Step 3: Cross multiply
    488,543.40x = 732,815.10 × 133,593.30
  4. Step 4: Simplify right side
    488,543.40x = 97,899,187,498.83
  5. Step 5: Solve for x
    x = 97,899,187,498.83/488,543.40
  6. Step 6: Final answer
    x = 200,389.95

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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.