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Finding the Fourth Proportional to 359,426.73, 496,067.58 and 216,265.71

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Solution

The fourth proportional to 359,426.73, 496,067.58 and 216,265.71 is: 298,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,426.73 : 496,067.58 = 216,265.71 : x
  2. Step 2: Convert to fraction form
    359,426.73/496,067.58 = 216,265.71/x
  3. Step 3: Cross multiply
    359,426.73x = 496,067.58 × 216,265.71
  4. Step 4: Simplify right side
    359,426.73x = 107,282,407,396.68
  5. Step 5: Solve for x
    x = 107,282,407,396.68/359,426.73
  6. Step 6: Final answer
    x = 298,481.99

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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.