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Finding the Fourth Proportional to 359,497.38, 496,286.16 and 223,575.11

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Solution

The fourth proportional to 359,497.38, 496,286.16 and 223,575.11 is: 308,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.38 : 496,286.16 = 223,575.11 : x
  2. Step 2: Convert to fraction form
    359,497.38/496,286.16 = 223,575.11/x
  3. Step 3: Cross multiply
    359,497.38x = 496,286.16 × 223,575.11
  4. Step 4: Simplify right side
    359,497.38x = 110,957,231,695.60
  5. Step 5: Solve for x
    x = 110,957,231,695.60/359,497.38
  6. Step 6: Final answer
    x = 308,645.45

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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.