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Finding the Fourth Proportional to 329,377.60, 454,542.69 and 178,474.60

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Solution

The fourth proportional to 329,377.60, 454,542.69 and 178,474.60 is: 246,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,377.60 : 454,542.69 = 178,474.60 : x
  2. Step 2: Convert to fraction form
    329,377.60/454,542.69 = 178,474.60/x
  3. Step 3: Cross multiply
    329,377.60x = 454,542.69 × 178,474.60
  4. Step 4: Simplify right side
    329,377.60x = 81,124,324,780.67
  5. Step 5: Solve for x
    x = 81,124,324,780.67/329,377.60
  6. Step 6: Final answer
    x = 246,295.82

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1.5x scale

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.