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Finding the Fourth Proportional to 483,215.82, 666,838.35 and 268,356.30

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Solution

The fourth proportional to 483,215.82, 666,838.35 and 268,356.30 is: 370,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,215.82 : 666,838.35 = 268,356.30 : x
  2. Step 2: Convert to fraction form
    483,215.82/666,838.35 = 268,356.30/x
  3. Step 3: Cross multiply
    483,215.82x = 666,838.35 × 268,356.30
  4. Step 4: Simplify right side
    483,215.82x = 178,950,272,304.11
  5. Step 5: Solve for x
    x = 178,950,272,304.11/483,215.82
  6. Step 6: Final answer
    x = 370,331.98

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