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Finding the Fourth Proportional to 323.06, 484.63 and 117.72

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Solution

The fourth proportional to 323.06, 484.63 and 117.72 is: 176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.06 : 484.63 = 117.72 : x
  2. Step 2: Convert to fraction form
    323.06/484.63 = 117.72/x
  3. Step 3: Cross multiply
    323.06x = 484.63 × 117.72
  4. Step 4: Simplify right side
    323.06x = 57,050.35
  5. Step 5: Solve for x
    x = 57,050.35/323.06
  6. Step 6: Final answer
    x = 176.60

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