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Finding the Fourth Proportional to 498,449.60, 747,674.41 and 124,472.60

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Solution

The fourth proportional to 498,449.60, 747,674.41 and 124,472.60 is: 186,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,449.60 : 747,674.41 = 124,472.60 : x
  2. Step 2: Convert to fraction form
    498,449.60/747,674.41 = 124,472.60/x
  3. Step 3: Cross multiply
    498,449.60x = 747,674.41 × 124,472.60
  4. Step 4: Simplify right side
    498,449.60x = 93,064,977,766.17
  5. Step 5: Solve for x
    x = 93,064,977,766.17/498,449.60
  6. Step 6: Final answer
    x = 186,708.90

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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.