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Finding the Fourth Proportional to 457,861.94, 631,849.52 and 253,944.04

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Solution

The fourth proportional to 457,861.94, 631,849.52 and 253,944.04 is: 350,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,861.94 : 631,849.52 = 253,944.04 : x
  2. Step 2: Convert to fraction form
    457,861.94/631,849.52 = 253,944.04/x
  3. Step 3: Cross multiply
    457,861.94x = 631,849.52 × 253,944.04
  4. Step 4: Simplify right side
    457,861.94x = 160,454,419,780.86
  5. Step 5: Solve for x
    x = 160,454,419,780.86/457,861.94
  6. Step 6: Final answer
    x = 350,442.80

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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.