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Finding the Fourth Proportional to 463.93, 695.90 and 189.83

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Solution

The fourth proportional to 463.93, 695.90 and 189.83 is: 284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.93 : 695.90 = 189.83 : x
  2. Step 2: Convert to fraction form
    463.93/695.90 = 189.83/x
  3. Step 3: Cross multiply
    463.93x = 695.90 × 189.83
  4. Step 4: Simplify right side
    463.93x = 132,102.70
  5. Step 5: Solve for x
    x = 132,102.70/463.93
  6. Step 6: Final answer
    x = 284.75

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