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Finding the Fourth Proportional to 482,088.62, 722,841.24 and 215,799.50

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Solution

The fourth proportional to 482,088.62, 722,841.24 and 215,799.50 is: 323,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,088.62 : 722,841.24 = 215,799.50 : x
  2. Step 2: Convert to fraction form
    482,088.62/722,841.24 = 215,799.50/x
  3. Step 3: Cross multiply
    482,088.62x = 722,841.24 × 215,799.50
  4. Step 4: Simplify right side
    482,088.62x = 155,988,778,171.38
  5. Step 5: Solve for x
    x = 155,988,778,171.38/482,088.62
  6. Step 6: Final answer
    x = 323,568.68

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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.