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Finding the Fourth Proportional to 482,456.44, 665,869.60 and 267,665.70

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Solution

The fourth proportional to 482,456.44, 665,869.60 and 267,665.70 is: 369,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,456.44 : 665,869.60 = 267,665.70 : x
  2. Step 2: Convert to fraction form
    482,456.44/665,869.60 = 267,665.70/x
  3. Step 3: Cross multiply
    482,456.44x = 665,869.60 × 267,665.70
  4. Step 4: Simplify right side
    482,456.44x = 178,230,452,592.72
  5. Step 5: Solve for x
    x = 178,230,452,592.72/482,456.44
  6. Step 6: Final answer
    x = 369,422.89

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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.