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Finding the Fourth Proportional to 449,043.68, 673,083.47 and 223,959.47

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Solution

The fourth proportional to 449,043.68, 673,083.47 and 223,959.47 is: 335,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,043.68 : 673,083.47 = 223,959.47 : x
  2. Step 2: Convert to fraction form
    449,043.68/673,083.47 = 223,959.47/x
  3. Step 3: Cross multiply
    449,043.68x = 673,083.47 × 223,959.47
  4. Step 4: Simplify right side
    449,043.68x = 150,743,414,401.44
  5. Step 5: Solve for x
    x = 150,743,414,401.44/449,043.68
  6. Step 6: Final answer
    x = 335,698.78

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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.