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Finding the Fourth Proportional to 372,099.56, 557,446.98 and 219,842.33

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Solution

The fourth proportional to 372,099.56, 557,446.98 and 219,842.33 is: 329,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,099.56 : 557,446.98 = 219,842.33 : x
  2. Step 2: Convert to fraction form
    372,099.56/557,446.98 = 219,842.33/x
  3. Step 3: Cross multiply
    372,099.56x = 557,446.98 × 219,842.33
  4. Step 4: Simplify right side
    372,099.56x = 122,550,440,147.43
  5. Step 5: Solve for x
    x = 122,550,440,147.43/372,099.56
  6. Step 6: Final answer
    x = 329,348.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.