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Finding the Fourth Proportional to 231.76, 347.10 and 183.52

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Solution

The fourth proportional to 231.76, 347.10 and 183.52 is: 274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.76 : 347.10 = 183.52 : x
  2. Step 2: Convert to fraction form
    231.76/347.10 = 183.52/x
  3. Step 3: Cross multiply
    231.76x = 347.10 × 183.52
  4. Step 4: Simplify right side
    231.76x = 63,699.79
  5. Step 5: Solve for x
    x = 63,699.79/231.76
  6. Step 6: Final answer
    x = 274.85

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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.