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Finding the Fourth Proportional to 574,414.49, 861,222.73 and 254,391.97

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Solution

The fourth proportional to 574,414.49, 861,222.73 and 254,391.97 is: 381,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,414.49 : 861,222.73 = 254,391.97 : x
  2. Step 2: Convert to fraction form
    574,414.49/861,222.73 = 254,391.97/x
  3. Step 3: Cross multiply
    574,414.49x = 861,222.73 × 254,391.97
  4. Step 4: Simplify right side
    574,414.49x = 219,088,143,774.03
  5. Step 5: Solve for x
    x = 219,088,143,774.03/574,414.49
  6. Step 6: Final answer
    x = 381,411.24

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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.