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Finding the Fourth Proportional to 482,374.78, 665,660.43 and 267,534.83

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Solution

The fourth proportional to 482,374.78, 665,660.43 and 267,534.83 is: 369,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,374.78 : 665,660.43 = 267,534.83 : x
  2. Step 2: Convert to fraction form
    482,374.78/665,660.43 = 267,534.83/x
  3. Step 3: Cross multiply
    482,374.78x = 665,660.43 × 267,534.83
  4. Step 4: Simplify right side
    482,374.78x = 178,087,351,641.93
  5. Step 5: Solve for x
    x = 178,087,351,641.93/482,374.78
  6. Step 6: Final answer
    x = 369,188.77

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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.