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Finding the Fourth Proportional to 422,782.28, 634,319.28 and 264,822.56

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Solution

The fourth proportional to 422,782.28, 634,319.28 and 264,822.56 is: 397,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,782.28 : 634,319.28 = 264,822.56 : x
  2. Step 2: Convert to fraction form
    422,782.28/634,319.28 = 264,822.56/x
  3. Step 3: Cross multiply
    422,782.28x = 634,319.28 × 264,822.56
  4. Step 4: Simplify right side
    422,782.28x = 167,982,055,586.96
  5. Step 5: Solve for x
    x = 167,982,055,586.96/422,782.28
  6. Step 6: Final answer
    x = 397,325.20

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