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Finding the Fourth Proportional to 329,104.92, 493,657.29 and 79,786.92

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Solution

The fourth proportional to 329,104.92, 493,657.29 and 79,786.92 is: 119,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,104.92 : 493,657.29 = 79,786.92 : x
  2. Step 2: Convert to fraction form
    329,104.92/493,657.29 = 79,786.92/x
  3. Step 3: Cross multiply
    329,104.92x = 493,657.29 × 79,786.92
  4. Step 4: Simplify right side
    329,104.92x = 39,387,394,704.65
  5. Step 5: Solve for x
    x = 39,387,394,704.65/329,104.92
  6. Step 6: Final answer
    x = 119,680.36

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1.5x scale

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.