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Finding the Fourth Proportional to 591.38, 887.07 and 206.63

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Solution

The fourth proportional to 591.38, 887.07 and 206.63 is: 309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.38 : 887.07 = 206.63 : x
  2. Step 2: Convert to fraction form
    591.38/887.07 = 206.63/x
  3. Step 3: Cross multiply
    591.38x = 887.07 × 206.63
  4. Step 4: Simplify right side
    591.38x = 183,290.84
  5. Step 5: Solve for x
    x = 183,290.84/591.38
  6. Step 6: Final answer
    x = 309.94

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