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Finding the Fourth Proportional to 323,031.46, 445,778.94 and 179,791.56

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Solution

The fourth proportional to 323,031.46, 445,778.94 and 179,791.56 is: 248,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,031.46 : 445,778.94 = 179,791.56 : x
  2. Step 2: Convert to fraction form
    323,031.46/445,778.94 = 179,791.56/x
  3. Step 3: Cross multiply
    323,031.46x = 445,778.94 × 179,791.56
  4. Step 4: Simplify right side
    323,031.46x = 80,147,291,037.75
  5. Step 5: Solve for x
    x = 80,147,291,037.75/323,031.46
  6. Step 6: Final answer
    x = 248,109.86

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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.