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Finding the Fourth Proportional to 462.06, 692.16 and 218.82

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Solution

The fourth proportional to 462.06, 692.16 and 218.82 is: 327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.06 : 692.16 = 218.82 : x
  2. Step 2: Convert to fraction form
    462.06/692.16 = 218.82/x
  3. Step 3: Cross multiply
    462.06x = 692.16 × 218.82
  4. Step 4: Simplify right side
    462.06x = 151,458.45
  5. Step 5: Solve for x
    x = 151,458.45/462.06
  6. Step 6: Final answer
    x = 327.79

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