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Finding the Fourth Proportional to 483,626.80, 726,131.40 and 273,674.80

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Solution

The fourth proportional to 483,626.80, 726,131.40 and 273,674.80 is: 410,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,626.80 : 726,131.40 = 273,674.80 : x
  2. Step 2: Convert to fraction form
    483,626.80/726,131.40 = 273,674.80/x
  3. Step 3: Cross multiply
    483,626.80x = 726,131.40 × 273,674.80
  4. Step 4: Simplify right side
    483,626.80x = 198,723,865,668.72
  5. Step 5: Solve for x
    x = 198,723,865,668.72/483,626.80
  6. Step 6: Final answer
    x = 410,903.34

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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.