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Finding the Fourth Proportional to 324,616.70, 447,968.49 and 181,375.22

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Solution

The fourth proportional to 324,616.70, 447,968.49 and 181,375.22 is: 250,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,616.70 : 447,968.49 = 181,375.22 : x
  2. Step 2: Convert to fraction form
    324,616.70/447,968.49 = 181,375.22/x
  3. Step 3: Cross multiply
    324,616.70x = 447,968.49 × 181,375.22
  4. Step 4: Simplify right side
    324,616.70x = 81,250,383,426.82
  5. Step 5: Solve for x
    x = 81,250,383,426.82/324,616.70
  6. Step 6: Final answer
    x = 250,296.38

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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.