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Finding the Fourth Proportional to 482,135.43, 665,301.96 and 267,257.15

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Solution

The fourth proportional to 482,135.43, 665,301.96 and 267,257.15 is: 368,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,135.43 : 665,301.96 = 267,257.15 : x
  2. Step 2: Convert to fraction form
    482,135.43/665,301.96 = 267,257.15/x
  3. Step 3: Cross multiply
    482,135.43x = 665,301.96 × 267,257.15
  4. Step 4: Simplify right side
    482,135.43x = 177,806,702,392.50
  5. Step 5: Solve for x
    x = 177,806,702,392.50/482,135.43
  6. Step 6: Final answer
    x = 368,789.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.