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Finding the Fourth Proportional to 327,154.30, 451,496.72 and 199,853.89

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Solution

The fourth proportional to 327,154.30, 451,496.72 and 199,853.89 is: 275,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,154.30 : 451,496.72 = 199,853.89 : x
  2. Step 2: Convert to fraction form
    327,154.30/451,496.72 = 199,853.89/x
  3. Step 3: Cross multiply
    327,154.30x = 451,496.72 × 199,853.89
  4. Step 4: Simplify right side
    327,154.30x = 90,233,375,814.24
  5. Step 5: Solve for x
    x = 90,233,375,814.24/327,154.30
  6. Step 6: Final answer
    x = 275,812.90

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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.