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Finding the Fourth Proportional to 437,591.71, 603,874.31 and 253,867.43

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Solution

The fourth proportional to 437,591.71, 603,874.31 and 253,867.43 is: 350,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,591.71 : 603,874.31 = 253,867.43 : x
  2. Step 2: Convert to fraction form
    437,591.71/603,874.31 = 253,867.43/x
  3. Step 3: Cross multiply
    437,591.71x = 603,874.31 × 253,867.43
  4. Step 4: Simplify right side
    437,591.71x = 153,304,021,267.08
  5. Step 5: Solve for x
    x = 153,304,021,267.08/437,591.71
  6. Step 6: Final answer
    x = 350,335.76

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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.