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Finding the Fourth Proportional to 554,408.52, 831,605.49 and 133,680.75

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Solution

The fourth proportional to 554,408.52, 831,605.49 and 133,680.75 is: 200,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,408.52 : 831,605.49 = 133,680.75 : x
  2. Step 2: Convert to fraction form
    554,408.52/831,605.49 = 133,680.75/x
  3. Step 3: Cross multiply
    554,408.52x = 831,605.49 × 133,680.75
  4. Step 4: Simplify right side
    554,408.52x = 111,169,645,607.32
  5. Step 5: Solve for x
    x = 111,169,645,607.32/554,408.52
  6. Step 6: Final answer
    x = 200,519.37

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