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Finding the Fourth Proportional to 473.96, 711.30 and 230.64

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Solution

The fourth proportional to 473.96, 711.30 and 230.64 is: 346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.96 : 711.30 = 230.64 : x
  2. Step 2: Convert to fraction form
    473.96/711.30 = 230.64/x
  3. Step 3: Cross multiply
    473.96x = 711.30 × 230.64
  4. Step 4: Simplify right side
    473.96x = 164,054.23
  5. Step 5: Solve for x
    x = 164,054.23/473.96
  6. Step 6: Final answer
    x = 346.14

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