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Finding the Fourth Proportional to 488,545.61, 732,818.71 and 133,532.93

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Solution

The fourth proportional to 488,545.61, 732,818.71 and 133,532.93 is: 200,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,545.61 : 732,818.71 = 133,532.93 : x
  2. Step 2: Convert to fraction form
    488,545.61/732,818.71 = 133,532.93/x
  3. Step 3: Cross multiply
    488,545.61x = 732,818.71 × 133,532.93
  4. Step 4: Simplify right side
    488,545.61x = 97,855,429,505.12
  5. Step 5: Solve for x
    x = 97,855,429,505.12/488,545.61
  6. Step 6: Final answer
    x = 200,299.48

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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.