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Finding the Fourth Proportional to 359,497.87, 496,286.85 and 223,575.61

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Solution

The fourth proportional to 359,497.87, 496,286.85 and 223,575.61 is: 308,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.87 : 496,286.85 = 223,575.61 : x
  2. Step 2: Convert to fraction form
    359,497.87/496,286.85 = 223,575.61/x
  3. Step 3: Cross multiply
    359,497.87x = 496,286.85 × 223,575.61
  4. Step 4: Simplify right side
    359,497.87x = 110,957,635,223.73
  5. Step 5: Solve for x
    x = 110,957,635,223.73/359,497.87
  6. Step 6: Final answer
    x = 308,646.15

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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.