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Finding the Fourth Proportional to 488,382.04, 732,454.98 and 133,397.92

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Solution

The fourth proportional to 488,382.04, 732,454.98 and 133,397.92 is: 200,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,382.04 : 732,454.98 = 133,397.92 : x
  2. Step 2: Convert to fraction form
    488,382.04/732,454.98 = 133,397.92/x
  3. Step 3: Cross multiply
    488,382.04x = 732,454.98 × 133,397.92
  4. Step 4: Simplify right side
    488,382.04x = 97,707,970,825.64
  5. Step 5: Solve for x
    x = 97,707,970,825.64/488,382.04
  6. Step 6: Final answer
    x = 200,064.63

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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.