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Finding the Fourth Proportional to 477,694.33, 715,754.17 and 277,452.61

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Solution

The fourth proportional to 477,694.33, 715,754.17 and 277,452.61 is: 415,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,694.33 : 715,754.17 = 277,452.61 : x
  2. Step 2: Convert to fraction form
    477,694.33/715,754.17 = 277,452.61/x
  3. Step 3: Cross multiply
    477,694.33x = 715,754.17 × 277,452.61
  4. Step 4: Simplify right side
    477,694.33x = 198,587,862,584.88
  5. Step 5: Solve for x
    x = 198,587,862,584.88/477,694.33
  6. Step 6: Final answer
    x = 415,721.62

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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.