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Finding the Fourth Proportional to 516.71, 775.07 and 242.83

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Solution

The fourth proportional to 516.71, 775.07 and 242.83 is: 364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.71 : 775.07 = 242.83 : x
  2. Step 2: Convert to fraction form
    516.71/775.07 = 242.83/x
  3. Step 3: Cross multiply
    516.71x = 775.07 × 242.83
  4. Step 4: Simplify right side
    516.71x = 188,210.91
  5. Step 5: Solve for x
    x = 188,210.91/516.71
  6. Step 6: Final answer
    x = 364.25

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