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Finding the Fourth Proportional to 488,451.40, 732,677.10 and 133,501.30

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Solution

The fourth proportional to 488,451.40, 732,677.10 and 133,501.30 is: 200,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,451.40 : 732,677.10 = 133,501.30 : x
  2. Step 2: Convert to fraction form
    488,451.40/732,677.10 = 133,501.30/x
  3. Step 3: Cross multiply
    488,451.40x = 732,677.10 × 133,501.30
  4. Step 4: Simplify right side
    488,451.40x = 97,813,345,330.23
  5. Step 5: Solve for x
    x = 97,813,345,330.23/488,451.40
  6. Step 6: Final answer
    x = 200,251.95

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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.