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Finding the Fourth Proportional to 332,451.44, 458,729.54 and 189,213.90

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Solution

The fourth proportional to 332,451.44, 458,729.54 and 189,213.90 is: 261,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,451.44 : 458,729.54 = 189,213.90 : x
  2. Step 2: Convert to fraction form
    332,451.44/458,729.54 = 189,213.90/x
  3. Step 3: Cross multiply
    332,451.44x = 458,729.54 × 189,213.90
  4. Step 4: Simplify right side
    332,451.44x = 86,798,005,308.61
  5. Step 5: Solve for x
    x = 86,798,005,308.61/332,451.44
  6. Step 6: Final answer
    x = 261,084.76

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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.