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Finding the Fourth Proportional to 267,092.64, 400,834.98 and 215,129.52

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Solution

The fourth proportional to 267,092.64, 400,834.98 and 215,129.52 is: 322,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,092.64 : 400,834.98 = 215,129.52 : x
  2. Step 2: Convert to fraction form
    267,092.64/400,834.98 = 215,129.52/x
  3. Step 3: Cross multiply
    267,092.64x = 400,834.98 × 215,129.52
  4. Step 4: Simplify right side
    267,092.64x = 86,231,436,846.61
  5. Step 5: Solve for x
    x = 86,231,436,846.61/267,092.64
  6. Step 6: Final answer
    x = 322,852.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.