Home / 322,433.28-445,226.52-268,998.42

Finding the Fourth Proportional to 322,433.28, 445,226.52 and 268,998.42

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Solution

The fourth proportional to 322,433.28, 445,226.52 and 268,998.42 is: 371,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,433.28 : 445,226.52 = 268,998.42 : x
  2. Step 2: Convert to fraction form
    322,433.28/445,226.52 = 268,998.42/x
  3. Step 3: Cross multiply
    322,433.28x = 445,226.52 × 268,998.42
  4. Step 4: Simplify right side
    322,433.28x = 119,765,230,422.10
  5. Step 5: Solve for x
    x = 119,765,230,422.10/322,433.28
  6. Step 6: Final answer
    x = 371,441.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.