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Finding the Fourth Proportional to 317.22, 437.67 and 200.58

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Solution

The fourth proportional to 317.22, 437.67 and 200.58 is: 276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.22 : 437.67 = 200.58 : x
  2. Step 2: Convert to fraction form
    317.22/437.67 = 200.58/x
  3. Step 3: Cross multiply
    317.22x = 437.67 × 200.58
  4. Step 4: Simplify right side
    317.22x = 87,787.85
  5. Step 5: Solve for x
    x = 87,787.85/317.22
  6. Step 6: Final answer
    x = 276.74

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