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Finding the Fourth Proportional to 329,408.92, 454,584.90 and 178,505.92

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Solution

The fourth proportional to 329,408.92, 454,584.90 and 178,505.92 is: 246,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,408.92 : 454,584.90 = 178,505.92 : x
  2. Step 2: Convert to fraction form
    329,408.92/454,584.90 = 178,505.92/x
  3. Step 3: Cross multiply
    329,408.92x = 454,584.90 × 178,505.92
  4. Step 4: Simplify right side
    329,408.92x = 81,146,095,792.61
  5. Step 5: Solve for x
    x = 81,146,095,792.61/329,408.92
  6. Step 6: Final answer
    x = 246,338.49

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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.