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Finding the Fourth Proportional to 359,566.86, 496,193.12 and 198,419.80

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Solution

The fourth proportional to 359,566.86, 496,193.12 and 198,419.80 is: 273,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,566.86 : 496,193.12 = 198,419.80 : x
  2. Step 2: Convert to fraction form
    359,566.86/496,193.12 = 198,419.80/x
  3. Step 3: Cross multiply
    359,566.86x = 496,193.12 × 198,419.80
  4. Step 4: Simplify right side
    359,566.86x = 98,454,539,631.78
  5. Step 5: Solve for x
    x = 98,454,539,631.78/359,566.86
  6. Step 6: Final answer
    x = 273,814.28

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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.