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Finding the Fourth Proportional to 498,650.82, 747,976.22 and 124,673.82

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Solution

The fourth proportional to 498,650.82, 747,976.22 and 124,673.82 is: 187,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,650.82 : 747,976.22 = 124,673.82 : x
  2. Step 2: Convert to fraction form
    498,650.82/747,976.22 = 124,673.82/x
  3. Step 3: Cross multiply
    498,650.82x = 747,976.22 × 124,673.82
  4. Step 4: Simplify right side
    498,650.82x = 93,253,052,616.56
  5. Step 5: Solve for x
    x = 93,253,052,616.56/498,650.82
  6. Step 6: Final answer
    x = 187,010.73

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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.