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Finding the Fourth Proportional to 424,213.28, 585,418.26 and 233,228

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Solution

The fourth proportional to 424,213.28, 585,418.26 and 233,228 is: 321,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,213.28 : 585,418.26 = 233,228 : x
  2. Step 2: Convert to fraction form
    424,213.28/585,418.26 = 233,228/x
  3. Step 3: Cross multiply
    424,213.28x = 585,418.26 × 233,228
  4. Step 4: Simplify right side
    424,213.28x = 136,535,929,943.28
  5. Step 5: Solve for x
    x = 136,535,929,943.28/424,213.28
  6. Step 6: Final answer
    x = 321,856.80

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