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Finding the Fourth Proportional to 232,879.20, 349,318.80 and 223,693.80

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Solution

The fourth proportional to 232,879.20, 349,318.80 and 223,693.80 is: 335,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,879.20 : 349,318.80 = 223,693.80 : x
  2. Step 2: Convert to fraction form
    232,879.20/349,318.80 = 223,693.80/x
  3. Step 3: Cross multiply
    232,879.20x = 349,318.80 × 223,693.80
  4. Step 4: Simplify right side
    232,879.20x = 78,140,449,783.44
  5. Step 5: Solve for x
    x = 78,140,449,783.44/232,879.20
  6. Step 6: Final answer
    x = 335,540.70

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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.