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Finding the Fourth Proportional to 368.24, 551.69 and 276.98

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Solution

The fourth proportional to 368.24, 551.69 and 276.98 is: 414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 551.69 = 276.98 : x
  2. Step 2: Convert to fraction form
    368.24/551.69 = 276.98/x
  3. Step 3: Cross multiply
    368.24x = 551.69 × 276.98
  4. Step 4: Simplify right side
    368.24x = 152,805.71
  5. Step 5: Solve for x
    x = 152,805.71/368.24
  6. Step 6: Final answer
    x = 414.96

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