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Finding the Fourth Proportional to 327,323.14, 451,698.84 and 189,507.88

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Solution

The fourth proportional to 327,323.14, 451,698.84 and 189,507.88 is: 261,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,323.14 : 451,698.84 = 189,507.88 : x
  2. Step 2: Convert to fraction form
    327,323.14/451,698.84 = 189,507.88/x
  3. Step 3: Cross multiply
    327,323.14x = 451,698.84 × 189,507.88
  4. Step 4: Simplify right side
    327,323.14x = 85,600,489,566.86
  5. Step 5: Solve for x
    x = 85,600,489,566.86/327,323.14
  6. Step 6: Final answer
    x = 261,516.77

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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.