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Finding the Fourth Proportional to 494,262.64, 741,394.07 and 139,230.53

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Solution

The fourth proportional to 494,262.64, 741,394.07 and 139,230.53 is: 208,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,262.64 : 741,394.07 = 139,230.53 : x
  2. Step 2: Convert to fraction form
    494,262.64/741,394.07 = 139,230.53/x
  3. Step 3: Cross multiply
    494,262.64x = 741,394.07 × 139,230.53
  4. Step 4: Simplify right side
    494,262.64x = 103,224,690,093.55
  5. Step 5: Solve for x
    x = 103,224,690,093.55/494,262.64
  6. Step 6: Final answer
    x = 208,845.83

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