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Finding the Fourth Proportional to 327,092.30, 451,321.20 and 191,099.98

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Solution

The fourth proportional to 327,092.30, 451,321.20 and 191,099.98 is: 263,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,092.30 : 451,321.20 = 191,099.98 : x
  2. Step 2: Convert to fraction form
    327,092.30/451,321.20 = 191,099.98/x
  3. Step 3: Cross multiply
    327,092.30x = 451,321.20 × 191,099.98
  4. Step 4: Simplify right side
    327,092.30x = 86,247,472,293.58
  5. Step 5: Solve for x
    x = 86,247,472,293.58/327,092.30
  6. Step 6: Final answer
    x = 263,679.31

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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.