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Finding the Fourth Proportional to 437,472.90, 603,535.05 and 267,805.44

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Solution

The fourth proportional to 437,472.90, 603,535.05 and 267,805.44 is: 369,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,472.90 : 603,535.05 = 267,805.44 : x
  2. Step 2: Convert to fraction form
    437,472.90/603,535.05 = 267,805.44/x
  3. Step 3: Cross multiply
    437,472.90x = 603,535.05 × 267,805.44
  4. Step 4: Simplify right side
    437,472.90x = 161,629,969,620.67
  5. Step 5: Solve for x
    x = 161,629,969,620.67/437,472.90
  6. Step 6: Final answer
    x = 369,462.82

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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.