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Finding the Fourth Proportional to 323,149.32, 445,963.73 and 179,906.22

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Solution

The fourth proportional to 323,149.32, 445,963.73 and 179,906.22 is: 248,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,149.32 : 445,963.73 = 179,906.22 : x
  2. Step 2: Convert to fraction form
    323,149.32/445,963.73 = 179,906.22/x
  3. Step 3: Cross multiply
    323,149.32x = 445,963.73 × 179,906.22
  4. Step 4: Simplify right side
    323,149.32x = 80,231,648,021.87
  5. Step 5: Solve for x
    x = 80,231,648,021.87/323,149.32
  6. Step 6: Final answer
    x = 248,280.42

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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.