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Finding the Fourth Proportional to 300,481.44, 450,325.26 and 131,747.64

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Solution

The fourth proportional to 300,481.44, 450,325.26 and 131,747.64 is: 197,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,481.44 : 450,325.26 = 131,747.64 : x
  2. Step 2: Convert to fraction form
    300,481.44/450,325.26 = 131,747.64/x
  3. Step 3: Cross multiply
    300,481.44x = 450,325.26 × 131,747.64
  4. Step 4: Simplify right side
    300,481.44x = 59,329,290,237.39
  5. Step 5: Solve for x
    x = 59,329,290,237.39/300,481.44
  6. Step 6: Final answer
    x = 197,447.44

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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.