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Finding the Fourth Proportional to 329,958.28, 455,343.62 and 179,055.24

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Solution

The fourth proportional to 329,958.28, 455,343.62 and 179,055.24 is: 247,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,958.28 : 455,343.62 = 179,055.24 : x
  2. Step 2: Convert to fraction form
    329,958.28/455,343.62 = 179,055.24/x
  3. Step 3: Cross multiply
    329,958.28x = 455,343.62 × 179,055.24
  4. Step 4: Simplify right side
    329,958.28x = 81,531,661,161.57
  5. Step 5: Solve for x
    x = 81,531,661,161.57/329,958.28
  6. Step 6: Final answer
    x = 247,096.88

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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.