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Finding the Fourth Proportional to 445,778.26, 668,833.86 and 179,614.30

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Solution

The fourth proportional to 445,778.26, 668,833.86 and 179,614.30 is: 269,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,778.26 : 668,833.86 = 179,614.30 : x
  2. Step 2: Convert to fraction form
    445,778.26/668,833.86 = 179,614.30/x
  3. Step 3: Cross multiply
    445,778.26x = 668,833.86 × 179,614.30
  4. Step 4: Simplify right side
    445,778.26x = 120,132,125,580.20
  5. Step 5: Solve for x
    x = 120,132,125,580.20/445,778.26
  6. Step 6: Final answer
    x = 269,488.52

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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.