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Finding the Fourth Proportional to 263,578.67, 395,320.28 and 73,992.42

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Solution

The fourth proportional to 263,578.67, 395,320.28 and 73,992.42 is: 110,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,578.67 : 395,320.28 = 73,992.42 : x
  2. Step 2: Convert to fraction form
    263,578.67/395,320.28 = 73,992.42/x
  3. Step 3: Cross multiply
    263,578.67x = 395,320.28 × 73,992.42
  4. Step 4: Simplify right side
    263,578.67x = 29,250,703,822.32
  5. Step 5: Solve for x
    x = 29,250,703,822.32/263,578.67
  6. Step 6: Final answer
    x = 110,975.23

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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.