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Finding the Fourth Proportional to 323,018.60, 445,761.23 and 179,778.62

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Solution

The fourth proportional to 323,018.60, 445,761.23 and 179,778.62 is: 248,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,018.60 : 445,761.23 = 179,778.62 : x
  2. Step 2: Convert to fraction form
    323,018.60/445,761.23 = 179,778.62/x
  3. Step 3: Cross multiply
    323,018.60x = 445,761.23 × 179,778.62
  4. Step 4: Simplify right side
    323,018.60x = 80,138,337,880.01
  5. Step 5: Solve for x
    x = 80,138,337,880.01/323,018.60
  6. Step 6: Final answer
    x = 248,092.02

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1.5x scale

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.