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Finding the Fourth Proportional to 233.32, 351.56 and 193.63

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Solution

The fourth proportional to 233.32, 351.56 and 193.63 is: 291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.32 : 351.56 = 193.63 : x
  2. Step 2: Convert to fraction form
    233.32/351.56 = 193.63/x
  3. Step 3: Cross multiply
    233.32x = 351.56 × 193.63
  4. Step 4: Simplify right side
    233.32x = 68,072.80
  5. Step 5: Solve for x
    x = 68,072.80/233.32
  6. Step 6: Final answer
    x = 291.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.