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Finding the Fourth Proportional to 493,839.06, 740,753.18 and 119,862.06

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Solution

The fourth proportional to 493,839.06, 740,753.18 and 119,862.06 is: 179,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,839.06 : 740,753.18 = 119,862.06 : x
  2. Step 2: Convert to fraction form
    493,839.06/740,753.18 = 119,862.06/x
  3. Step 3: Cross multiply
    493,839.06x = 740,753.18 × 119,862.06
  4. Step 4: Simplify right side
    493,839.06x = 88,788,202,106.35
  5. Step 5: Solve for x
    x = 88,788,202,106.35/493,839.06
  6. Step 6: Final answer
    x = 179,791.78

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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.