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Finding the Fourth Proportional to 489,003.50, 733,320.99 and 204,713.70

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Solution

The fourth proportional to 489,003.50, 733,320.99 and 204,713.70 is: 306,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,003.50 : 733,320.99 = 204,713.70 : x
  2. Step 2: Convert to fraction form
    489,003.50/733,320.99 = 204,713.70/x
  3. Step 3: Cross multiply
    489,003.50x = 733,320.99 × 204,713.70
  4. Step 4: Simplify right side
    489,003.50x = 150,120,853,150.56
  5. Step 5: Solve for x
    x = 150,120,853,150.56/489,003.50
  6. Step 6: Final answer
    x = 306,993.42

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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.