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Finding the Fourth Proportional to 356,757.28, 492,329.81 and 195,611.92

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Solution

The fourth proportional to 356,757.28, 492,329.81 and 195,611.92 is: 269,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,757.28 : 492,329.81 = 195,611.92 : x
  2. Step 2: Convert to fraction form
    356,757.28/492,329.81 = 195,611.92/x
  3. Step 3: Cross multiply
    356,757.28x = 492,329.81 × 195,611.92
  4. Step 4: Simplify right side
    356,757.28x = 96,305,578,665.54
  5. Step 5: Solve for x
    x = 96,305,578,665.54/356,757.28
  6. Step 6: Final answer
    x = 269,947.06

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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.