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Finding the Fourth Proportional to 464.85, 696.96 and 190.86

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Solution

The fourth proportional to 464.85, 696.96 and 190.86 is: 286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.85 : 696.96 = 190.86 : x
  2. Step 2: Convert to fraction form
    464.85/696.96 = 190.86/x
  3. Step 3: Cross multiply
    464.85x = 696.96 × 190.86
  4. Step 4: Simplify right side
    464.85x = 133,021.79
  5. Step 5: Solve for x
    x = 133,021.79/464.85
  6. Step 6: Final answer
    x = 286.16

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