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Finding the Fourth Proportional to 322,171.70, 444,645.45 and 231,826.73

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Solution

The fourth proportional to 322,171.70, 444,645.45 and 231,826.73 is: 319,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,171.70 : 444,645.45 = 231,826.73 : x
  2. Step 2: Convert to fraction form
    322,171.70/444,645.45 = 231,826.73/x
  3. Step 3: Cross multiply
    322,171.70x = 444,645.45 × 231,826.73
  4. Step 4: Simplify right side
    322,171.70x = 103,080,698,459.65
  5. Step 5: Solve for x
    x = 103,080,698,459.65/322,171.70
  6. Step 6: Final answer
    x = 319,955.79

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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.