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Finding the Fourth Proportional to 498,418.56, 747,624 and 124,439.04

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Solution

The fourth proportional to 498,418.56, 747,624 and 124,439.04 is: 186,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,418.56 : 747,624 = 124,439.04 : x
  2. Step 2: Convert to fraction form
    498,418.56/747,624 = 124,439.04/x
  3. Step 3: Cross multiply
    498,418.56x = 747,624 × 124,439.04
  4. Step 4: Simplify right side
    498,418.56x = 93,033,612,840.96
  5. Step 5: Solve for x
    x = 93,033,612,840.96/498,418.56
  6. Step 6: Final answer
    x = 186,657.60

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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.