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Finding the Fourth Proportional to 263,978.27, 395,932.28 and 74,453.86

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Solution

The fourth proportional to 263,978.27, 395,932.28 and 74,453.86 is: 111,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,978.27 : 395,932.28 = 74,453.86 : x
  2. Step 2: Convert to fraction form
    263,978.27/395,932.28 = 74,453.86/x
  3. Step 3: Cross multiply
    263,978.27x = 395,932.28 × 74,453.86
  4. Step 4: Simplify right side
    263,978.27x = 29,478,684,440.13
  5. Step 5: Solve for x
    x = 29,478,684,440.13/263,978.27
  6. Step 6: Final answer
    x = 111,670.88

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