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Finding the Fourth Proportional to 327,633.21, 451,960.42 and 225,481.32

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Solution

The fourth proportional to 327,633.21, 451,960.42 and 225,481.32 is: 311,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,633.21 : 451,960.42 = 225,481.32 : x
  2. Step 2: Convert to fraction form
    327,633.21/451,960.42 = 225,481.32/x
  3. Step 3: Cross multiply
    327,633.21x = 451,960.42 × 225,481.32
  4. Step 4: Simplify right side
    327,633.21x = 101,908,632,089.35
  5. Step 5: Solve for x
    x = 101,908,632,089.35/327,633.21
  6. Step 6: Final answer
    x = 311,044.88

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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.