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Finding the Fourth Proportional to 348,879.96, 481,448.52 and 195,919.56

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Solution

The fourth proportional to 348,879.96, 481,448.52 and 195,919.56 is: 270,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,879.96 : 481,448.52 = 195,919.56 : x
  2. Step 2: Convert to fraction form
    348,879.96/481,448.52 = 195,919.56/x
  3. Step 3: Cross multiply
    348,879.96x = 481,448.52 × 195,919.56
  4. Step 4: Simplify right side
    348,879.96x = 94,325,182,201.05
  5. Step 5: Solve for x
    x = 94,325,182,201.05/348,879.96
  6. Step 6: Final answer
    x = 270,365.72

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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.