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Finding the Fourth Proportional to 322,269.11, 482,490.20 and 267,796.41

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Solution

The fourth proportional to 322,269.11, 482,490.20 and 267,796.41 is: 400,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,269.11 : 482,490.20 = 267,796.41 : x
  2. Step 2: Convert to fraction form
    322,269.11/482,490.20 = 267,796.41/x
  3. Step 3: Cross multiply
    322,269.11x = 482,490.20 × 267,796.41
  4. Step 4: Simplify right side
    322,269.11x = 129,209,142,280.34
  5. Step 5: Solve for x
    x = 129,209,142,280.34/322,269.11
  6. Step 6: Final answer
    x = 400,935.55

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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.