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Finding the Fourth Proportional to 329,189.92, 454,282.72 and 178,286.96

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Solution

The fourth proportional to 329,189.92, 454,282.72 and 178,286.96 is: 246,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,189.92 : 454,282.72 = 178,286.96 : x
  2. Step 2: Convert to fraction form
    329,189.92/454,282.72 = 178,286.96/x
  3. Step 3: Cross multiply
    329,189.92x = 454,282.72 × 178,286.96
  4. Step 4: Simplify right side
    329,189.92x = 80,992,685,129.33
  5. Step 5: Solve for x
    x = 80,992,685,129.33/329,189.92
  6. Step 6: Final answer
    x = 246,036.35

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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.