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Finding the Fourth Proportional to 496,337.97, 744,436.65 and 159,334.24

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Solution

The fourth proportional to 496,337.97, 744,436.65 and 159,334.24 is: 238,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,337.97 : 744,436.65 = 159,334.24 : x
  2. Step 2: Convert to fraction form
    496,337.97/744,436.65 = 159,334.24/x
  3. Step 3: Cross multiply
    496,337.97x = 744,436.65 × 159,334.24
  4. Step 4: Simplify right side
    496,337.97x = 118,614,247,855.90
  5. Step 5: Solve for x
    x = 118,614,247,855.90/496,337.97
  6. Step 6: Final answer
    x = 238,978.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.