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Finding the Fourth Proportional to 327,034.64, 451,305.60 and 191,064.80

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Solution

The fourth proportional to 327,034.64, 451,305.60 and 191,064.80 is: 263,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,034.64 : 451,305.60 = 191,064.80 : x
  2. Step 2: Convert to fraction form
    327,034.64/451,305.60 = 191,064.80/x
  3. Step 3: Cross multiply
    327,034.64x = 451,305.60 × 191,064.80
  4. Step 4: Simplify right side
    327,034.64x = 86,228,614,202.88
  5. Step 5: Solve for x
    x = 86,228,614,202.88/327,034.64
  6. Step 6: Final answer
    x = 263,668.14

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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.