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Finding the Fourth Proportional to 359,481.82, 496,061.88 and 198,336.85

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Solution

The fourth proportional to 359,481.82, 496,061.88 and 198,336.85 is: 273,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,481.82 : 496,061.88 = 198,336.85 : x
  2. Step 2: Convert to fraction form
    359,481.82/496,061.88 = 198,336.85/x
  3. Step 3: Cross multiply
    359,481.82x = 496,061.88 × 198,336.85
  4. Step 4: Simplify right side
    359,481.82x = 98,387,350,684.28
  5. Step 5: Solve for x
    x = 98,387,350,684.28/359,481.82
  6. Step 6: Final answer
    x = 273,692.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.