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Finding the Fourth Proportional to 359,508.27, 496,131.79 and 198,373.70

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Solution

The fourth proportional to 359,508.27, 496,131.79 and 198,373.70 is: 273,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,508.27 : 496,131.79 = 198,373.70 : x
  2. Step 2: Convert to fraction form
    359,508.27/496,131.79 = 198,373.70/x
  3. Step 3: Cross multiply
    359,508.27x = 496,131.79 × 198,373.70
  4. Step 4: Simplify right side
    359,508.27x = 98,419,496,389.26
  5. Step 5: Solve for x
    x = 98,419,496,389.26/359,508.27
  6. Step 6: Final answer
    x = 273,761.43

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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.