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Finding the Fourth Proportional to 493,437.87, 739,560.38 and 240,339.11

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Solution

The fourth proportional to 493,437.87, 739,560.38 and 240,339.11 is: 360,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,437.87 : 739,560.38 = 240,339.11 : x
  2. Step 2: Convert to fraction form
    493,437.87/739,560.38 = 240,339.11/x
  3. Step 3: Cross multiply
    493,437.87x = 739,560.38 × 240,339.11
  4. Step 4: Simplify right side
    493,437.87x = 177,745,278,620.96
  5. Step 5: Solve for x
    x = 177,745,278,620.96/493,437.87
  6. Step 6: Final answer
    x = 360,218.15

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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.