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Finding the Fourth Proportional to 322,996.56, 445,730.89 and 179,756.56

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Solution

The fourth proportional to 322,996.56, 445,730.89 and 179,756.56 is: 248,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,996.56 : 445,730.89 = 179,756.56 : x
  2. Step 2: Convert to fraction form
    322,996.56/445,730.89 = 179,756.56/x
  3. Step 3: Cross multiply
    322,996.56x = 445,730.89 × 179,756.56
  4. Step 4: Simplify right side
    322,996.56x = 80,123,051,472.14
  5. Step 5: Solve for x
    x = 80,123,051,472.14/322,996.56
  6. Step 6: Final answer
    x = 248,061.62

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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.