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Finding the Fourth Proportional to 364.25, 546.41 and 181.64

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Solution

The fourth proportional to 364.25, 546.41 and 181.64 is: 272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.25 : 546.41 = 181.64 : x
  2. Step 2: Convert to fraction form
    364.25/546.41 = 181.64/x
  3. Step 3: Cross multiply
    364.25x = 546.41 × 181.64
  4. Step 4: Simplify right side
    364.25x = 99,251.73
  5. Step 5: Solve for x
    x = 99,251.73/364.25
  6. Step 6: Final answer
    x = 272.48

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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.