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Finding the Fourth Proportional to 272, 374.56 and 244.32

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Solution

The fourth proportional to 272, 374.56 and 244.32 is: 336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272 : 374.56 = 244.32 : x
  2. Step 2: Convert to fraction form
    272/374.56 = 244.32/x
  3. Step 3: Cross multiply
    272x = 374.56 × 244.32
  4. Step 4: Simplify right side
    272x = 91,512.50
  5. Step 5: Solve for x
    x = 91,512.50/272
  6. Step 6: Final answer
    x = 336.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.