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Finding the Fourth Proportional to 274.22, 376.54 and 232.64

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Solution

The fourth proportional to 274.22, 376.54 and 232.64 is: 319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.22 : 376.54 = 232.64 : x
  2. Step 2: Convert to fraction form
    274.22/376.54 = 232.64/x
  3. Step 3: Cross multiply
    274.22x = 376.54 × 232.64
  4. Step 4: Simplify right side
    274.22x = 87,598.27
  5. Step 5: Solve for x
    x = 87,598.27/274.22
  6. Step 6: Final answer
    x = 319.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.