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Finding the Fourth Proportional to 482,098.62, 722,856.24 and 215,809.50

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Solution

The fourth proportional to 482,098.62, 722,856.24 and 215,809.50 is: 323,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,098.62 : 722,856.24 = 215,809.50 : x
  2. Step 2: Convert to fraction form
    482,098.62/722,856.24 = 215,809.50/x
  3. Step 3: Cross multiply
    482,098.62x = 722,856.24 × 215,809.50
  4. Step 4: Simplify right side
    482,098.62x = 155,999,243,726.28
  5. Step 5: Solve for x
    x = 155,999,243,726.28/482,098.62
  6. Step 6: Final answer
    x = 323,583.68

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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.