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Finding the Fourth Proportional to 329,304.85, 454,441.14 and 178,401.85

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Solution

The fourth proportional to 329,304.85, 454,441.14 and 178,401.85 is: 246,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,304.85 : 454,441.14 = 178,401.85 : x
  2. Step 2: Convert to fraction form
    329,304.85/454,441.14 = 178,401.85/x
  3. Step 3: Cross multiply
    329,304.85x = 454,441.14 × 178,401.85
  4. Step 4: Simplify right side
    329,304.85x = 81,073,137,819.90
  5. Step 5: Solve for x
    x = 81,073,137,819.90/329,304.85
  6. Step 6: Final answer
    x = 246,194.79

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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.