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Finding the Fourth Proportional to 322,665.33, 445,259.82 and 179,422.30

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Solution

The fourth proportional to 322,665.33, 445,259.82 and 179,422.30 is: 247,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,665.33 : 445,259.82 = 179,422.30 : x
  2. Step 2: Convert to fraction form
    322,665.33/445,259.82 = 179,422.30/x
  3. Step 3: Cross multiply
    322,665.33x = 445,259.82 × 179,422.30
  4. Step 4: Simplify right side
    322,665.33x = 79,889,541,001.99
  5. Step 5: Solve for x
    x = 79,889,541,001.99/322,665.33
  6. Step 6: Final answer
    x = 247,592.58

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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.