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Finding the Fourth Proportional to 507.84, 700.81 and 274.96

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Solution

The fourth proportional to 507.84, 700.81 and 274.96 is: 379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.84 : 700.81 = 274.96 : x
  2. Step 2: Convert to fraction form
    507.84/700.81 = 274.96/x
  3. Step 3: Cross multiply
    507.84x = 700.81 × 274.96
  4. Step 4: Simplify right side
    507.84x = 192,694.72
  5. Step 5: Solve for x
    x = 192,694.72/507.84
  6. Step 6: Final answer
    x = 379.44

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