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Finding the Fourth Proportional to 329,411.92, 454,589.04 and 178,508.92

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Solution

The fourth proportional to 329,411.92, 454,589.04 and 178,508.92 is: 246,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,411.92 : 454,589.04 = 178,508.92 : x
  2. Step 2: Convert to fraction form
    329,411.92/454,589.04 = 178,508.92/x
  3. Step 3: Cross multiply
    329,411.92x = 454,589.04 × 178,508.92
  4. Step 4: Simplify right side
    329,411.92x = 81,148,198,574.24
  5. Step 5: Solve for x
    x = 81,148,198,574.24/329,411.92
  6. Step 6: Final answer
    x = 246,342.63

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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.