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Finding the Fourth Proportional to 436.85, 655.16 and 162.96

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Solution

The fourth proportional to 436.85, 655.16 and 162.96 is: 244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.85 : 655.16 = 162.96 : x
  2. Step 2: Convert to fraction form
    436.85/655.16 = 162.96/x
  3. Step 3: Cross multiply
    436.85x = 655.16 × 162.96
  4. Step 4: Simplify right side
    436.85x = 106,764.06
  5. Step 5: Solve for x
    x = 106,764.06/436.85
  6. Step 6: Final answer
    x = 244.40

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