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Finding the Fourth Proportional to 522,642.44, 783,960.78 and 190,218.44

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Solution

The fourth proportional to 522,642.44, 783,960.78 and 190,218.44 is: 285,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,642.44 : 783,960.78 = 190,218.44 : x
  2. Step 2: Convert to fraction form
    522,642.44/783,960.78 = 190,218.44/x
  3. Step 3: Cross multiply
    522,642.44x = 783,960.78 × 190,218.44
  4. Step 4: Simplify right side
    522,642.44x = 149,123,796,592.78
  5. Step 5: Solve for x
    x = 149,123,796,592.78/522,642.44
  6. Step 6: Final answer
    x = 285,326.61

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