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Finding the Fourth Proportional to 466.24, 698.88 and 209.92

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Solution

The fourth proportional to 466.24, 698.88 and 209.92 is: 314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.24 : 698.88 = 209.92 : x
  2. Step 2: Convert to fraction form
    466.24/698.88 = 209.92/x
  3. Step 3: Cross multiply
    466.24x = 698.88 × 209.92
  4. Step 4: Simplify right side
    466.24x = 146,708.89
  5. Step 5: Solve for x
    x = 146,708.89/466.24
  6. Step 6: Final answer
    x = 314.66

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