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Finding the Fourth Proportional to 329,034.69, 454,067.96 and 178,131.69

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Solution

The fourth proportional to 329,034.69, 454,067.96 and 178,131.69 is: 245,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,034.69 : 454,067.96 = 178,131.69 : x
  2. Step 2: Convert to fraction form
    329,034.69/454,067.96 = 178,131.69/x
  3. Step 3: Cross multiply
    329,034.69x = 454,067.96 × 178,131.69
  4. Step 4: Simplify right side
    329,034.69x = 80,883,892,198.99
  5. Step 5: Solve for x
    x = 80,883,892,198.99/329,034.69
  6. Step 6: Final answer
    x = 245,821.78

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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.