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Finding the Fourth Proportional to 482,130.14, 665,294.76 and 267,251.90

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Solution

The fourth proportional to 482,130.14, 665,294.76 and 267,251.90 is: 368,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,130.14 : 665,294.76 = 267,251.90 : x
  2. Step 2: Convert to fraction form
    482,130.14/665,294.76 = 267,251.90/x
  3. Step 3: Cross multiply
    482,130.14x = 665,294.76 × 267,251.90
  4. Step 4: Simplify right side
    482,130.14x = 177,801,285,343.57
  5. Step 5: Solve for x
    x = 177,801,285,343.57/482,130.14
  6. Step 6: Final answer
    x = 368,782.77

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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.