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Finding the Fourth Proportional to 329,267.43, 454,391.24 and 178,364.43

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Solution

The fourth proportional to 329,267.43, 454,391.24 and 178,364.43 is: 246,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,267.43 : 454,391.24 = 178,364.43 : x
  2. Step 2: Convert to fraction form
    329,267.43/454,391.24 = 178,364.43/x
  3. Step 3: Cross multiply
    329,267.43x = 454,391.24 × 178,364.43
  4. Step 4: Simplify right side
    329,267.43x = 81,047,234,519.59
  5. Step 5: Solve for x
    x = 81,047,234,519.59/329,267.43
  6. Step 6: Final answer
    x = 246,144.10

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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.