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Finding the Fourth Proportional to 482,335.20, 665,578.96 and 267,474.60

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Solution

The fourth proportional to 482,335.20, 665,578.96 and 267,474.60 is: 369,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,335.20 : 665,578.96 = 267,474.60 : x
  2. Step 2: Convert to fraction form
    482,335.20/665,578.96 = 267,474.60/x
  3. Step 3: Cross multiply
    482,335.20x = 665,578.96 × 267,474.60
  4. Step 4: Simplify right side
    482,335.20x = 178,025,465,425.73
  5. Step 5: Solve for x
    x = 178,025,465,425.73/482,335.20
  6. Step 6: Final answer
    x = 369,090.76

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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.