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Finding the Fourth Proportional to 317.82, 476.73 and 173.46

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Solution

The fourth proportional to 317.82, 476.73 and 173.46 is: 260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.82 : 476.73 = 173.46 : x
  2. Step 2: Convert to fraction form
    317.82/476.73 = 173.46/x
  3. Step 3: Cross multiply
    317.82x = 476.73 × 173.46
  4. Step 4: Simplify right side
    317.82x = 82,693.59
  5. Step 5: Solve for x
    x = 82,693.59/317.82
  6. Step 6: Final answer
    x = 260.19

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