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Finding the Fourth Proportional to 329,432.49, 454,617.23 and 178,529.49

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Solution

The fourth proportional to 329,432.49, 454,617.23 and 178,529.49 is: 246,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,432.49 : 454,617.23 = 178,529.49 : x
  2. Step 2: Convert to fraction form
    329,432.49/454,617.23 = 178,529.49/x
  3. Step 3: Cross multiply
    329,432.49x = 454,617.23 × 178,529.49
  4. Step 4: Simplify right side
    329,432.49x = 81,162,582,217.11
  5. Step 5: Solve for x
    x = 81,162,582,217.11/329,432.49
  6. Step 6: Final answer
    x = 246,370.91

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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.