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Finding the Fourth Proportional to 467.31, 644.93 and 270.83

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Solution

The fourth proportional to 467.31, 644.93 and 270.83 is: 373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.31 : 644.93 = 270.83 : x
  2. Step 2: Convert to fraction form
    467.31/644.93 = 270.83/x
  3. Step 3: Cross multiply
    467.31x = 644.93 × 270.83
  4. Step 4: Simplify right side
    467.31x = 174,661.81
  5. Step 5: Solve for x
    x = 174,661.81/467.31
  6. Step 6: Final answer
    x = 373.76

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