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Finding the Fourth Proportional to 579,734, 799,760.76 and 410,061.68

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Solution

The fourth proportional to 579,734, 799,760.76 and 410,061.68 is: 565,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,734 : 799,760.76 = 410,061.68 : x
  2. Step 2: Convert to fraction form
    579,734/799,760.76 = 410,061.68/x
  3. Step 3: Cross multiply
    579,734x = 799,760.76 × 410,061.68
  4. Step 4: Simplify right side
    579,734x = 327,951,240,843.68
  5. Step 5: Solve for x
    x = 327,951,240,843.68/579,734
  6. Step 6: Final answer
    x = 565,692.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.