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Finding the Fourth Proportional to 359,717.77, 496,375.14 and 198,562.42

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Solution

The fourth proportional to 359,717.77, 496,375.14 and 198,562.42 is: 273,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,717.77 : 496,375.14 = 198,562.42 : x
  2. Step 2: Convert to fraction form
    359,717.77/496,375.14 = 198,562.42/x
  3. Step 3: Cross multiply
    359,717.77x = 496,375.14 × 198,562.42
  4. Step 4: Simplify right side
    359,717.77x = 98,561,449,026.24
  5. Step 5: Solve for x
    x = 98,561,449,026.24/359,717.77
  6. Step 6: Final answer
    x = 273,996.61

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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.