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Finding the Fourth Proportional to 234.34, 323.84 and 190

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Solution

The fourth proportional to 234.34, 323.84 and 190 is: 262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.34 : 323.84 = 190 : x
  2. Step 2: Convert to fraction form
    234.34/323.84 = 190/x
  3. Step 3: Cross multiply
    234.34x = 323.84 × 190
  4. Step 4: Simplify right side
    234.34x = 61,529.60
  5. Step 5: Solve for x
    x = 61,529.60/234.34
  6. Step 6: Final answer
    x = 262.57

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