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Finding the Fourth Proportional to 322,542.56, 445,120.16 and 177,359.40

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Solution

The fourth proportional to 322,542.56, 445,120.16 and 177,359.40 is: 244,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,542.56 : 445,120.16 = 177,359.40 : x
  2. Step 2: Convert to fraction form
    322,542.56/445,120.16 = 177,359.40/x
  3. Step 3: Cross multiply
    322,542.56x = 445,120.16 × 177,359.40
  4. Step 4: Simplify right side
    322,542.56x = 78,946,244,505.50
  5. Step 5: Solve for x
    x = 78,946,244,505.50/322,542.56
  6. Step 6: Final answer
    x = 244,762.26

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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.