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Finding the Fourth Proportional to 251.42, 374.74 and 232.94

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Solution

The fourth proportional to 251.42, 374.74 and 232.94 is: 347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.42 : 374.74 = 232.94 : x
  2. Step 2: Convert to fraction form
    251.42/374.74 = 232.94/x
  3. Step 3: Cross multiply
    251.42x = 374.74 × 232.94
  4. Step 4: Simplify right side
    251.42x = 87,291.94
  5. Step 5: Solve for x
    x = 87,291.94/251.42
  6. Step 6: Final answer
    x = 347.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.