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Finding the Fourth Proportional to 322,028.69, 444,379.03 and 178,788.69

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Solution

The fourth proportional to 322,028.69, 444,379.03 and 178,788.69 is: 246,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,028.69 : 444,379.03 = 178,788.69 : x
  2. Step 2: Convert to fraction form
    322,028.69/444,379.03 = 178,788.69/x
  3. Step 3: Cross multiply
    322,028.69x = 444,379.03 × 178,788.69
  4. Step 4: Simplify right side
    322,028.69x = 79,449,944,190.20
  5. Step 5: Solve for x
    x = 79,449,944,190.20/322,028.69
  6. Step 6: Final answer
    x = 246,716.98

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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.