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Finding the Fourth Proportional to 264,770.80, 396,718.80 and 225,404.80

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Solution

The fourth proportional to 264,770.80, 396,718.80 and 225,404.80 is: 337,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,770.80 : 396,718.80 = 225,404.80 : x
  2. Step 2: Convert to fraction form
    264,770.80/396,718.80 = 225,404.80/x
  3. Step 3: Cross multiply
    264,770.80x = 396,718.80 × 225,404.80
  4. Step 4: Simplify right side
    264,770.80x = 89,422,321,770.24
  5. Step 5: Solve for x
    x = 89,422,321,770.24/264,770.80
  6. Step 6: Final answer
    x = 337,734.83

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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.