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Finding the Fourth Proportional to 366, 549.18 and 183.41

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Solution

The fourth proportional to 366, 549.18 and 183.41 is: 275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366 : 549.18 = 183.41 : x
  2. Step 2: Convert to fraction form
    366/549.18 = 183.41/x
  3. Step 3: Cross multiply
    366x = 549.18 × 183.41
  4. Step 4: Simplify right side
    366x = 100,722.36
  5. Step 5: Solve for x
    x = 100,722.36/366
  6. Step 6: Final answer
    x = 275.20

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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.