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Finding the Fourth Proportional to 394,951.61, 592,759.15 and 170,481.58

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Solution

The fourth proportional to 394,951.61, 592,759.15 and 170,481.58 is: 255,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,951.61 : 592,759.15 = 170,481.58 : x
  2. Step 2: Convert to fraction form
    394,951.61/592,759.15 = 170,481.58/x
  3. Step 3: Cross multiply
    394,951.61x = 592,759.15 × 170,481.58
  4. Step 4: Simplify right side
    394,951.61x = 101,054,514,543.36
  5. Step 5: Solve for x
    x = 101,054,514,543.36/394,951.61
  6. Step 6: Final answer
    x = 255,865.56

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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.