Home / 442,650.20-663,183.30-269,226.20

Finding the Fourth Proportional to 442,650.20, 663,183.30 and 269,226.20

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Solution

The fourth proportional to 442,650.20, 663,183.30 and 269,226.20 is: 403,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,650.20 : 663,183.30 = 269,226.20 : x
  2. Step 2: Convert to fraction form
    442,650.20/663,183.30 = 269,226.20/x
  3. Step 3: Cross multiply
    442,650.20x = 663,183.30 × 269,226.20
  4. Step 4: Simplify right side
    442,650.20x = 178,546,319,762.46
  5. Step 5: Solve for x
    x = 178,546,319,762.46/442,650.20
  6. Step 6: Final answer
    x = 403,357.59

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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.