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Finding the Fourth Proportional to 322,998.31, 445,733.31 and 179,758.31

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Solution

The fourth proportional to 322,998.31, 445,733.31 and 179,758.31 is: 248,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,998.31 : 445,733.31 = 179,758.31 : x
  2. Step 2: Convert to fraction form
    322,998.31/445,733.31 = 179,758.31/x
  3. Step 3: Cross multiply
    322,998.31x = 445,733.31 × 179,758.31
  4. Step 4: Simplify right side
    322,998.31x = 80,124,266,516.31
  5. Step 5: Solve for x
    x = 80,124,266,516.31/322,998.31
  6. Step 6: Final answer
    x = 248,064.04

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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.