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Finding the Fourth Proportional to 366.44, 549.46 and 122.83

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Solution

The fourth proportional to 366.44, 549.46 and 122.83 is: 184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.44 : 549.46 = 122.83 : x
  2. Step 2: Convert to fraction form
    366.44/549.46 = 122.83/x
  3. Step 3: Cross multiply
    366.44x = 549.46 × 122.83
  4. Step 4: Simplify right side
    366.44x = 67,490.17
  5. Step 5: Solve for x
    x = 67,490.17/366.44
  6. Step 6: Final answer
    x = 184.18

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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.