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Finding the Fourth Proportional to 274,333.67, 411,279.05 and 252,190.29

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Solution

The fourth proportional to 274,333.67, 411,279.05 and 252,190.29 is: 378,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,333.67 : 411,279.05 = 252,190.29 : x
  2. Step 2: Convert to fraction form
    274,333.67/411,279.05 = 252,190.29/x
  3. Step 3: Cross multiply
    274,333.67x = 411,279.05 × 252,190.29
  4. Step 4: Simplify right side
    274,333.67x = 103,720,582,890.43
  5. Step 5: Solve for x
    x = 103,720,582,890.43/274,333.67
  6. Step 6: Final answer
    x = 378,081.86

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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.