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Finding the Fourth Proportional to 366.34, 549.44 and 122.83

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Solution

The fourth proportional to 366.34, 549.44 and 122.83 is: 184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.34 : 549.44 = 122.83 : x
  2. Step 2: Convert to fraction form
    366.34/549.44 = 122.83/x
  3. Step 3: Cross multiply
    366.34x = 549.44 × 122.83
  4. Step 4: Simplify right side
    366.34x = 67,487.72
  5. Step 5: Solve for x
    x = 67,487.72/366.34
  6. Step 6: Final answer
    x = 184.22

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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.