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Finding the Fourth Proportional to 498,001.80, 747,002.70 and 124,024.80

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Solution

The fourth proportional to 498,001.80, 747,002.70 and 124,024.80 is: 186,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,001.80 : 747,002.70 = 124,024.80 : x
  2. Step 2: Convert to fraction form
    498,001.80/747,002.70 = 124,024.80/x
  3. Step 3: Cross multiply
    498,001.80x = 747,002.70 × 124,024.80
  4. Step 4: Simplify right side
    498,001.80x = 92,646,860,466.96
  5. Step 5: Solve for x
    x = 92,646,860,466.96/498,001.80
  6. Step 6: Final answer
    x = 186,037.20

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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.