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Finding the Fourth Proportional to 364.24, 546.60 and 181.68

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Solution

The fourth proportional to 364.24, 546.60 and 181.68 is: 272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.24 : 546.60 = 181.68 : x
  2. Step 2: Convert to fraction form
    364.24/546.60 = 181.68/x
  3. Step 3: Cross multiply
    364.24x = 546.60 × 181.68
  4. Step 4: Simplify right side
    364.24x = 99,306.29
  5. Step 5: Solve for x
    x = 99,306.29/364.24
  6. Step 6: Final answer
    x = 272.64

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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.