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Finding the Fourth Proportional to 262.44, 362.64 and 200.16

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Solution

The fourth proportional to 262.44, 362.64 and 200.16 is: 276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.44 : 362.64 = 200.16 : x
  2. Step 2: Convert to fraction form
    262.44/362.64 = 200.16/x
  3. Step 3: Cross multiply
    262.44x = 362.64 × 200.16
  4. Step 4: Simplify right side
    262.44x = 72,586.02
  5. Step 5: Solve for x
    x = 72,586.02/262.44
  6. Step 6: Final answer
    x = 276.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.