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Finding the Fourth Proportional to 591.12, 887.22 and 302.76

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Solution

The fourth proportional to 591.12, 887.22 and 302.76 is: 454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.12 : 887.22 = 302.76 : x
  2. Step 2: Convert to fraction form
    591.12/887.22 = 302.76/x
  3. Step 3: Cross multiply
    591.12x = 887.22 × 302.76
  4. Step 4: Simplify right side
    591.12x = 268,614.73
  5. Step 5: Solve for x
    x = 268,614.73/591.12
  6. Step 6: Final answer
    x = 454.42

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