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Finding the Fourth Proportional to 329,963.28, 455,350.56 and 179,060.28

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Solution

The fourth proportional to 329,963.28, 455,350.56 and 179,060.28 is: 247,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,963.28 : 455,350.56 = 179,060.28 : x
  2. Step 2: Convert to fraction form
    329,963.28/455,350.56 = 179,060.28/x
  3. Step 3: Cross multiply
    329,963.28x = 455,350.56 × 179,060.28
  4. Step 4: Simplify right side
    329,963.28x = 81,535,198,771.76
  5. Step 5: Solve for x
    x = 81,535,198,771.76/329,963.28
  6. Step 6: Final answer
    x = 247,103.86

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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.