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Finding the Fourth Proportional to 320,891.16, 481,330.24 and 110,524.44

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Solution

The fourth proportional to 320,891.16, 481,330.24 and 110,524.44 is: 165,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,891.16 : 481,330.24 = 110,524.44 : x
  2. Step 2: Convert to fraction form
    320,891.16/481,330.24 = 110,524.44/x
  3. Step 3: Cross multiply
    320,891.16x = 481,330.24 × 110,524.44
  4. Step 4: Simplify right side
    320,891.16x = 53,198,755,231.07
  5. Step 5: Solve for x
    x = 53,198,755,231.07/320,891.16
  6. Step 6: Final answer
    x = 165,784.42

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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.