Home / 327,568.28-490,639.26-200,825.24

Finding the Fourth Proportional to 327,568.28, 490,639.26 and 200,825.24

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Solution

The fourth proportional to 327,568.28, 490,639.26 and 200,825.24 is: 300,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,568.28 : 490,639.26 = 200,825.24 : x
  2. Step 2: Convert to fraction form
    327,568.28/490,639.26 = 200,825.24/x
  3. Step 3: Cross multiply
    327,568.28x = 490,639.26 × 200,825.24
  4. Step 4: Simplify right side
    327,568.28x = 98,532,747,142.92
  5. Step 5: Solve for x
    x = 98,532,747,142.92/327,568.28
  6. Step 6: Final answer
    x = 300,800.64

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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.