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Finding the Fourth Proportional to 231.36, 346.26 and 176.94

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Solution

The fourth proportional to 231.36, 346.26 and 176.94 is: 264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.36 : 346.26 = 176.94 : x
  2. Step 2: Convert to fraction form
    231.36/346.26 = 176.94/x
  3. Step 3: Cross multiply
    231.36x = 346.26 × 176.94
  4. Step 4: Simplify right side
    231.36x = 61,267.24
  5. Step 5: Solve for x
    x = 61,267.24/231.36
  6. Step 6: Final answer
    x = 264.81

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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.