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Finding the Fourth Proportional to 274,311.70, 410,665.65 and 195,579.70

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Solution

The fourth proportional to 274,311.70, 410,665.65 and 195,579.70 is: 292,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,311.70 : 410,665.65 = 195,579.70 : x
  2. Step 2: Convert to fraction form
    274,311.70/410,665.65 = 195,579.70/x
  3. Step 3: Cross multiply
    274,311.70x = 410,665.65 × 195,579.70
  4. Step 4: Simplify right side
    274,311.70x = 80,317,864,627.31
  5. Step 5: Solve for x
    x = 80,317,864,627.31/274,311.70
  6. Step 6: Final answer
    x = 292,797.81

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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.