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Finding the Fourth Proportional to 366, 549 and 173.64

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Solution

The fourth proportional to 366, 549 and 173.64 is: 260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366 : 549 = 173.64 : x
  2. Step 2: Convert to fraction form
    366/549 = 173.64/x
  3. Step 3: Cross multiply
    366x = 549 × 173.64
  4. Step 4: Simplify right side
    366x = 95,328.36
  5. Step 5: Solve for x
    x = 95,328.36/366
  6. Step 6: Final answer
    x = 260.46

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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.