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Finding the Fourth Proportional to 263,469.11, 395,201.84 and 63,790.54

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Solution

The fourth proportional to 263,469.11, 395,201.84 and 63,790.54 is: 95,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,469.11 : 395,201.84 = 63,790.54 : x
  2. Step 2: Convert to fraction form
    263,469.11/395,201.84 = 63,790.54/x
  3. Step 3: Cross multiply
    263,469.11x = 395,201.84 × 63,790.54
  4. Step 4: Simplify right side
    263,469.11x = 25,210,137,475.64
  5. Step 5: Solve for x
    x = 25,210,137,475.64/263,469.11
  6. Step 6: Final answer
    x = 95,685.36

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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.