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Finding the Fourth Proportional to 483,612.80, 726,110.40 and 273,660.80

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Solution

The fourth proportional to 483,612.80, 726,110.40 and 273,660.80 is: 410,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,612.80 : 726,110.40 = 273,660.80 : x
  2. Step 2: Convert to fraction form
    483,612.80/726,110.40 = 273,660.80/x
  3. Step 3: Cross multiply
    483,612.80x = 726,110.40 × 273,660.80
  4. Step 4: Simplify right side
    483,612.80x = 198,707,952,952.32
  5. Step 5: Solve for x
    x = 198,707,952,952.32/483,612.80
  6. Step 6: Final answer
    x = 410,882.33

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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.