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Finding the Fourth Proportional to 313,418.44, 432,517.44 and 179,282.44

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Solution

The fourth proportional to 313,418.44, 432,517.44 and 179,282.44 is: 247,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,418.44 : 432,517.44 = 179,282.44 : x
  2. Step 2: Convert to fraction form
    313,418.44/432,517.44 = 179,282.44/x
  3. Step 3: Cross multiply
    313,418.44x = 432,517.44 × 179,282.44
  4. Step 4: Simplify right side
    313,418.44x = 77,542,781,985.75
  5. Step 5: Solve for x
    x = 77,542,781,985.75/313,418.44
  6. Step 6: Final answer
    x = 247,409.76

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1.5x scale

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.