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Finding the Fourth Proportional to 483,609.80, 726,105.90 and 273,657.80

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Solution

The fourth proportional to 483,609.80, 726,105.90 and 273,657.80 is: 410,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,609.80 : 726,105.90 = 273,657.80 : x
  2. Step 2: Convert to fraction form
    483,609.80/726,105.90 = 273,657.80/x
  3. Step 3: Cross multiply
    483,609.80x = 726,105.90 × 273,657.80
  4. Step 4: Simplify right side
    483,609.80x = 198,704,543,161.02
  5. Step 5: Solve for x
    x = 198,704,543,161.02/483,609.80
  6. Step 6: Final answer
    x = 410,877.83

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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.