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Finding the Fourth Proportional to 461,321.82, 636,592.50 and 267,735.15

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Solution

The fourth proportional to 461,321.82, 636,592.50 and 267,735.15 is: 369,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,321.82 : 636,592.50 = 267,735.15 : x
  2. Step 2: Convert to fraction form
    461,321.82/636,592.50 = 267,735.15/x
  3. Step 3: Cross multiply
    461,321.82x = 636,592.50 × 267,735.15
  4. Step 4: Simplify right side
    461,321.82x = 170,438,188,476.38
  5. Step 5: Solve for x
    x = 170,438,188,476.38/461,321.82
  6. Step 6: Final answer
    x = 369,456.16

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1.5x scale

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.