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Finding the Fourth Proportional to 277.76, 416.00 and 169.36

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Solution

The fourth proportional to 277.76, 416.00 and 169.36 is: 253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.76 : 416.00 = 169.36 : x
  2. Step 2: Convert to fraction form
    277.76/416.00 = 169.36/x
  3. Step 3: Cross multiply
    277.76x = 416.00 × 169.36
  4. Step 4: Simplify right side
    277.76x = 70,453.14
  5. Step 5: Solve for x
    x = 70,453.14/277.76
  6. Step 6: Final answer
    x = 253.65

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