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Finding the Fourth Proportional to 543,208.20, 814,958.10 and 484,450.80

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Solution

The fourth proportional to 543,208.20, 814,958.10 and 484,450.80 is: 726,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,208.20 : 814,958.10 = 484,450.80 : x
  2. Step 2: Convert to fraction form
    543,208.20/814,958.10 = 484,450.80/x
  3. Step 3: Cross multiply
    543,208.20x = 814,958.10 × 484,450.80
  4. Step 4: Simplify right side
    543,208.20x = 394,807,103,511.48
  5. Step 5: Solve for x
    x = 394,807,103,511.48/543,208.20
  6. Step 6: Final answer
    x = 726,806.23

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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.