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Finding the Fourth Proportional to 329,310.61, 454,449.10 and 178,407.61

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Solution

The fourth proportional to 329,310.61, 454,449.10 and 178,407.61 is: 246,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,310.61 : 454,449.10 = 178,407.61 : x
  2. Step 2: Convert to fraction form
    329,310.61/454,449.10 = 178,407.61/x
  3. Step 3: Cross multiply
    329,310.61x = 454,449.10 × 178,407.61
  4. Step 4: Simplify right side
    329,310.61x = 81,077,177,797.65
  5. Step 5: Solve for x
    x = 81,077,177,797.65/329,310.61
  6. Step 6: Final answer
    x = 246,202.75

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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.