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Finding the Fourth Proportional to 445,777.26, 668,832.36 and 179,613.30

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Solution

The fourth proportional to 445,777.26, 668,832.36 and 179,613.30 is: 269,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,777.26 : 668,832.36 = 179,613.30 : x
  2. Step 2: Convert to fraction form
    445,777.26/668,832.36 = 179,613.30/x
  3. Step 3: Cross multiply
    445,777.26x = 668,832.36 × 179,613.30
  4. Step 4: Simplify right side
    445,777.26x = 120,131,187,326.39
  5. Step 5: Solve for x
    x = 120,131,187,326.39/445,777.26
  6. Step 6: Final answer
    x = 269,487.02

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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.