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Finding the Fourth Proportional to 633.81, 950.75 and 171.59

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Solution

The fourth proportional to 633.81, 950.75 and 171.59 is: 257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.81 : 950.75 = 171.59 : x
  2. Step 2: Convert to fraction form
    633.81/950.75 = 171.59/x
  3. Step 3: Cross multiply
    633.81x = 950.75 × 171.59
  4. Step 4: Simplify right side
    633.81x = 163,139.19
  5. Step 5: Solve for x
    x = 163,139.19/633.81
  6. Step 6: Final answer
    x = 257.39

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