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Finding the Fourth Proportional to 364.62, 546.44 and 169.64

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Solution

The fourth proportional to 364.62, 546.44 and 169.64 is: 254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.62 : 546.44 = 169.64 : x
  2. Step 2: Convert to fraction form
    364.62/546.44 = 169.64/x
  3. Step 3: Cross multiply
    364.62x = 546.44 × 169.64
  4. Step 4: Simplify right side
    364.62x = 92,698.08
  5. Step 5: Solve for x
    x = 92,698.08/364.62
  6. Step 6: Final answer
    x = 254.23

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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.