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Finding the Fourth Proportional to 359,520.50, 496,118.97 and 198,344.00

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Solution

The fourth proportional to 359,520.50, 496,118.97 and 198,344.00 is: 273,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,520.50 : 496,118.97 = 198,344.00 : x
  2. Step 2: Convert to fraction form
    359,520.50/496,118.97 = 198,344.00/x
  3. Step 3: Cross multiply
    359,520.50x = 496,118.97 × 198,344.00
  4. Step 4: Simplify right side
    359,520.50x = 98,402,218,505.09
  5. Step 5: Solve for x
    x = 98,402,218,505.09/359,520.50
  6. Step 6: Final answer
    x = 273,704.06

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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.