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Finding the Fourth Proportional to 262.24, 393.04 and 184.80

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Solution

The fourth proportional to 262.24, 393.04 and 184.80 is: 276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.24 : 393.04 = 184.80 : x
  2. Step 2: Convert to fraction form
    262.24/393.04 = 184.80/x
  3. Step 3: Cross multiply
    262.24x = 393.04 × 184.80
  4. Step 4: Simplify right side
    262.24x = 72,633.79
  5. Step 5: Solve for x
    x = 72,633.79/262.24
  6. Step 6: Final answer
    x = 276.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.