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Finding the Fourth Proportional to 483,853.41, 726,000.43 and 247,074.21

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Solution

The fourth proportional to 483,853.41, 726,000.43 and 247,074.21 is: 370,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,853.41 : 726,000.43 = 247,074.21 : x
  2. Step 2: Convert to fraction form
    483,853.41/726,000.43 = 247,074.21/x
  3. Step 3: Cross multiply
    483,853.41x = 726,000.43 × 247,074.21
  4. Step 4: Simplify right side
    483,853.41x = 179,375,978,454.22
  5. Step 5: Solve for x
    x = 179,375,978,454.22/483,853.41
  6. Step 6: Final answer
    x = 370,723.81

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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.