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Finding the Fourth Proportional to 392,097.22, 587,198.46 and 223,105.54

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Solution

The fourth proportional to 392,097.22, 587,198.46 and 223,105.54 is: 334,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,097.22 : 587,198.46 = 223,105.54 : x
  2. Step 2: Convert to fraction form
    392,097.22/587,198.46 = 223,105.54/x
  3. Step 3: Cross multiply
    392,097.22x = 587,198.46 × 223,105.54
  4. Step 4: Simplify right side
    392,097.22x = 131,007,229,505.47
  5. Step 5: Solve for x
    x = 131,007,229,505.47/392,097.22
  6. Step 6: Final answer
    x = 334,119.25

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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.