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Finding the Fourth Proportional to 233.52, 322.44 and 189.84

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Solution

The fourth proportional to 233.52, 322.44 and 189.84 is: 262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.52 : 322.44 = 189.84 : x
  2. Step 2: Convert to fraction form
    233.52/322.44 = 189.84/x
  3. Step 3: Cross multiply
    233.52x = 322.44 × 189.84
  4. Step 4: Simplify right side
    233.52x = 61,212.01
  5. Step 5: Solve for x
    x = 61,212.01/233.52
  6. Step 6: Final answer
    x = 262.13

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Why These Related Problems?

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