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Finding the Fourth Proportional to 491.23, 737.07 and 274.96

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Solution

The fourth proportional to 491.23, 737.07 and 274.96 is: 412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.23 : 737.07 = 274.96 : x
  2. Step 2: Convert to fraction form
    491.23/737.07 = 274.96/x
  3. Step 3: Cross multiply
    491.23x = 737.07 × 274.96
  4. Step 4: Simplify right side
    491.23x = 202,664.77
  5. Step 5: Solve for x
    x = 202,664.77/491.23
  6. Step 6: Final answer
    x = 412.57

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