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Finding the Fourth Proportional to 482,255.58, 665,502.84 and 267,393.78

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Solution

The fourth proportional to 482,255.58, 665,502.84 and 267,393.78 is: 368,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,255.58 : 665,502.84 = 267,393.78 : x
  2. Step 2: Convert to fraction form
    482,255.58/665,502.84 = 267,393.78/x
  3. Step 3: Cross multiply
    482,255.58x = 665,502.84 × 267,393.78
  4. Step 4: Simplify right side
    482,255.58x = 177,951,319,988.34
  5. Step 5: Solve for x
    x = 177,951,319,988.34/482,255.58
  6. Step 6: Final answer
    x = 368,997.95

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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.