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Finding the Fourth Proportional to 264,503.05, 396,769.56 and 84,604.27

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Solution

The fourth proportional to 264,503.05, 396,769.56 and 84,604.27 is: 126,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,503.05 : 396,769.56 = 84,604.27 : x
  2. Step 2: Convert to fraction form
    264,503.05/396,769.56 = 84,604.27/x
  3. Step 3: Cross multiply
    264,503.05x = 396,769.56 × 84,604.27
  4. Step 4: Simplify right side
    264,503.05x = 33,568,398,982.02
  5. Step 5: Solve for x
    x = 33,568,398,982.02/264,503.05
  6. Step 6: Final answer
    x = 126,911.20

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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.