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Finding the Fourth Proportional to 437,385.96, 603,637.22 and 267,732.20

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Solution

The fourth proportional to 437,385.96, 603,637.22 and 267,732.20 is: 369,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,385.96 : 603,637.22 = 267,732.20 : x
  2. Step 2: Convert to fraction form
    437,385.96/603,637.22 = 267,732.20/x
  3. Step 3: Cross multiply
    437,385.96x = 603,637.22 × 267,732.20
  4. Step 4: Simplify right side
    437,385.96x = 161,613,120,912.48
  5. Step 5: Solve for x
    x = 161,613,120,912.48/437,385.96
  6. Step 6: Final answer
    x = 369,497.73

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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.