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Finding the Fourth Proportional to 329,469.12, 495,077.76 and 179,818.56

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Solution

The fourth proportional to 329,469.12, 495,077.76 and 179,818.56 is: 270,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,469.12 : 495,077.76 = 179,818.56 : x
  2. Step 2: Convert to fraction form
    329,469.12/495,077.76 = 179,818.56/x
  3. Step 3: Cross multiply
    329,469.12x = 495,077.76 × 179,818.56
  4. Step 4: Simplify right side
    329,469.12x = 89,024,169,891.23
  5. Step 5: Solve for x
    x = 89,024,169,891.23/329,469.12
  6. Step 6: Final answer
    x = 270,204.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.