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Finding the Fourth Proportional to 366.24, 549.44 and 109.76

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Solution

The fourth proportional to 366.24, 549.44 and 109.76 is: 164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.24 : 549.44 = 109.76 : x
  2. Step 2: Convert to fraction form
    366.24/549.44 = 109.76/x
  3. Step 3: Cross multiply
    366.24x = 549.44 × 109.76
  4. Step 4: Simplify right side
    366.24x = 60,306.53
  5. Step 5: Solve for x
    x = 60,306.53/366.24
  6. Step 6: Final answer
    x = 164.66

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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.