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Finding the Fourth Proportional to 359,508.41, 496,131.99 and 198,373.84

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Solution

The fourth proportional to 359,508.41, 496,131.99 and 198,373.84 is: 273,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,508.41 : 496,131.99 = 198,373.84 : x
  2. Step 2: Convert to fraction form
    359,508.41/496,131.99 = 198,373.84/x
  3. Step 3: Cross multiply
    359,508.41x = 496,131.99 × 198,373.84
  4. Step 4: Simplify right side
    359,508.41x = 98,419,604,530.61
  5. Step 5: Solve for x
    x = 98,419,604,530.61/359,508.41
  6. Step 6: Final answer
    x = 273,761.62

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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.