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Finding the Fourth Proportional to 329,434.92, 454,620.12 and 178,531.92

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Solution

The fourth proportional to 329,434.92, 454,620.12 and 178,531.92 is: 246,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,434.92 : 454,620.12 = 178,531.92 : x
  2. Step 2: Convert to fraction form
    329,434.92/454,620.12 = 178,531.92/x
  3. Step 3: Cross multiply
    329,434.92x = 454,620.12 × 178,531.92
  4. Step 4: Simplify right side
    329,434.92x = 81,164,202,894.23
  5. Step 5: Solve for x
    x = 81,164,202,894.23/329,434.92
  6. Step 6: Final answer
    x = 246,374.01

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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.