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Finding the Fourth Proportional to 437,909.34, 604,356.75 and 274,591.86

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Solution

The fourth proportional to 437,909.34, 604,356.75 and 274,591.86 is: 378,963.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,909.34 : 604,356.75 = 274,591.86 : x
  2. Step 2: Convert to fraction form
    437,909.34/604,356.75 = 274,591.86/x
  3. Step 3: Cross multiply
    437,909.34x = 604,356.75 × 274,591.86
  4. Step 4: Simplify right side
    437,909.34x = 165,951,444,086.06
  5. Step 5: Solve for x
    x = 165,951,444,086.06/437,909.34
  6. Step 6: Final answer
    x = 378,963.02

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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.