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Finding the Fourth Proportional to 274,333.29, 411,278.49 and 252,189.92

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Solution

The fourth proportional to 274,333.29, 411,278.49 and 252,189.92 is: 378,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,333.29 : 411,278.49 = 252,189.92 : x
  2. Step 2: Convert to fraction form
    274,333.29/411,278.49 = 252,189.92/x
  3. Step 3: Cross multiply
    274,333.29x = 411,278.49 × 252,189.92
  4. Step 4: Simplify right side
    274,333.29x = 103,720,287,434.43
  5. Step 5: Solve for x
    x = 103,720,287,434.43/274,333.29
  6. Step 6: Final answer
    x = 378,081.30

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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.