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Finding the Fourth Proportional to 364.24, 546 and 272.44

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Solution

The fourth proportional to 364.24, 546 and 272.44 is: 408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.24 : 546 = 272.44 : x
  2. Step 2: Convert to fraction form
    364.24/546 = 272.44/x
  3. Step 3: Cross multiply
    364.24x = 546 × 272.44
  4. Step 4: Simplify right side
    364.24x = 148,752.24
  5. Step 5: Solve for x
    x = 148,752.24/364.24
  6. Step 6: Final answer
    x = 408.39

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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.