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Finding the Fourth Proportional to 329,451.48, 454,630.84 and 178,545.24

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Solution

The fourth proportional to 329,451.48, 454,630.84 and 178,545.24 is: 246,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,451.48 : 454,630.84 = 178,545.24 : x
  2. Step 2: Convert to fraction form
    329,451.48/454,630.84 = 178,545.24/x
  3. Step 3: Cross multiply
    329,451.48x = 454,630.84 × 178,545.24
  4. Step 4: Simplify right side
    329,451.48x = 81,172,172,439.20
  5. Step 5: Solve for x
    x = 81,172,172,439.20/329,451.48
  6. Step 6: Final answer
    x = 246,385.82

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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.