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Finding the Fourth Proportional to 329,034.40, 454,067.64 and 178,131.44

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Solution

The fourth proportional to 329,034.40, 454,067.64 and 178,131.44 is: 245,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,034.40 : 454,067.64 = 178,131.44 : x
  2. Step 2: Convert to fraction form
    329,034.40/454,067.64 = 178,131.44/x
  3. Step 3: Cross multiply
    329,034.40x = 454,067.64 × 178,131.44
  4. Step 4: Simplify right side
    329,034.40x = 80,883,722,570.60
  5. Step 5: Solve for x
    x = 80,883,722,570.60/329,034.40
  6. Step 6: Final answer
    x = 245,821.48

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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.