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Finding the Fourth Proportional to 303,371.36, 418,786.48 and 195,993.44

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Solution

The fourth proportional to 303,371.36, 418,786.48 and 195,993.44 is: 270,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,371.36 : 418,786.48 = 195,993.44 : x
  2. Step 2: Convert to fraction form
    303,371.36/418,786.48 = 195,993.44/x
  3. Step 3: Cross multiply
    303,371.36x = 418,786.48 × 195,993.44
  4. Step 4: Simplify right side
    303,371.36x = 82,079,402,840.69
  5. Step 5: Solve for x
    x = 82,079,402,840.69/303,371.36
  6. Step 6: Final answer
    x = 270,557.52

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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.