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Finding the Fourth Proportional to 264,513.56, 396,770.22 and 67,521.56

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Solution

The fourth proportional to 264,513.56, 396,770.22 and 67,521.56 is: 101,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,513.56 : 396,770.22 = 67,521.56 : x
  2. Step 2: Convert to fraction form
    264,513.56/396,770.22 = 67,521.56/x
  3. Step 3: Cross multiply
    264,513.56x = 396,770.22 × 67,521.56
  4. Step 4: Simplify right side
    264,513.56x = 26,790,544,215.94
  5. Step 5: Solve for x
    x = 26,790,544,215.94/264,513.56
  6. Step 6: Final answer
    x = 101,282.31

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1.5x scale

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.