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Finding the Fourth Proportional to 264,546.48, 396,834.70 and 84,647.72

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Solution

The fourth proportional to 264,546.48, 396,834.70 and 84,647.72 is: 126,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,546.48 : 396,834.70 = 84,647.72 : x
  2. Step 2: Convert to fraction form
    264,546.48/396,834.70 = 84,647.72/x
  3. Step 3: Cross multiply
    264,546.48x = 396,834.70 × 84,647.72
  4. Step 4: Simplify right side
    264,546.48x = 33,591,152,571.88
  5. Step 5: Solve for x
    x = 33,591,152,571.88/264,546.48
  6. Step 6: Final answer
    x = 126,976.37

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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.