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Finding the Fourth Proportional to 488,545.40, 732,818.10 and 133,595.30

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Solution

The fourth proportional to 488,545.40, 732,818.10 and 133,595.30 is: 200,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,545.40 : 732,818.10 = 133,595.30 : x
  2. Step 2: Convert to fraction form
    488,545.40/732,818.10 = 133,595.30/x
  3. Step 3: Cross multiply
    488,545.40x = 732,818.10 × 133,595.30
  4. Step 4: Simplify right side
    488,545.40x = 97,901,053,914.93
  5. Step 5: Solve for x
    x = 97,901,053,914.93/488,545.40
  6. Step 6: Final answer
    x = 200,392.95

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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.