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Finding the Fourth Proportional to 297,313.57, 410,633.58 and 195,793.03

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Solution

The fourth proportional to 297,313.57, 410,633.58 and 195,793.03 is: 270,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,313.57 : 410,633.58 = 195,793.03 : x
  2. Step 2: Convert to fraction form
    297,313.57/410,633.58 = 195,793.03/x
  3. Step 3: Cross multiply
    297,313.57x = 410,633.58 × 195,793.03
  4. Step 4: Simplify right side
    297,313.57x = 80,399,192,847.95
  5. Step 5: Solve for x
    x = 80,399,192,847.95/297,313.57
  6. Step 6: Final answer
    x = 270,418.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.