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Finding the Fourth Proportional to 329,296.44, 454,429.30 and 178,393.48

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Solution

The fourth proportional to 329,296.44, 454,429.30 and 178,393.48 is: 246,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,296.44 : 454,429.30 = 178,393.48 : x
  2. Step 2: Convert to fraction form
    329,296.44/454,429.30 = 178,393.48/x
  3. Step 3: Cross multiply
    329,296.44x = 454,429.30 × 178,393.48
  4. Step 4: Simplify right side
    329,296.44x = 81,067,224,240.96
  5. Step 5: Solve for x
    x = 81,067,224,240.96/329,296.44
  6. Step 6: Final answer
    x = 246,183.12

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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.