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Finding the Fourth Proportional to 348,003.52, 480,278.56 and 195,067.68

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Solution

The fourth proportional to 348,003.52, 480,278.56 and 195,067.68 is: 269,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,003.52 : 480,278.56 = 195,067.68 : x
  2. Step 2: Convert to fraction form
    348,003.52/480,278.56 = 195,067.68/x
  3. Step 3: Cross multiply
    348,003.52x = 480,278.56 × 195,067.68
  4. Step 4: Simplify right side
    348,003.52x = 93,686,824,452.94
  5. Step 5: Solve for x
    x = 93,686,824,452.94/348,003.52
  6. Step 6: Final answer
    x = 269,212.29

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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.