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Finding the Fourth Proportional to 498,820.68, 748,225.89 and 124,843.68

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Solution

The fourth proportional to 498,820.68, 748,225.89 and 124,843.68 is: 187,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,820.68 : 748,225.89 = 124,843.68 : x
  2. Step 2: Convert to fraction form
    498,820.68/748,225.89 = 124,843.68/x
  3. Step 3: Cross multiply
    498,820.68x = 748,225.89 × 124,843.68
  4. Step 4: Simplify right side
    498,820.68x = 93,411,273,578.88
  5. Step 5: Solve for x
    x = 93,411,273,578.88/498,820.68
  6. Step 6: Final answer
    x = 187,264.24

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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.