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Finding the Fourth Proportional to 445,203.80, 667,846.96 and 160,965.44

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Solution

The fourth proportional to 445,203.80, 667,846.96 and 160,965.44 is: 241,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,203.80 : 667,846.96 = 160,965.44 : x
  2. Step 2: Convert to fraction form
    445,203.80/667,846.96 = 160,965.44/x
  3. Step 3: Cross multiply
    445,203.80x = 667,846.96 × 160,965.44
  4. Step 4: Simplify right side
    445,203.80x = 107,500,279,769.06
  5. Step 5: Solve for x
    x = 107,500,279,769.06/445,203.80
  6. Step 6: Final answer
    x = 241,463.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.