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Finding the Fourth Proportional to 568,291.78, 851,759.78 and 264,275.54

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Solution

The fourth proportional to 568,291.78, 851,759.78 and 264,275.54 is: 396,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,291.78 : 851,759.78 = 264,275.54 : x
  2. Step 2: Convert to fraction form
    568,291.78/851,759.78 = 264,275.54/x
  3. Step 3: Cross multiply
    568,291.78x = 851,759.78 × 264,275.54
  4. Step 4: Simplify right side
    568,291.78x = 225,099,278,833.82
  5. Step 5: Solve for x
    x = 225,099,278,833.82/568,291.78
  6. Step 6: Final answer
    x = 396,098.07

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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.