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Finding the Fourth Proportional to 233.32, 349.80 and 193

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Solution

The fourth proportional to 233.32, 349.80 and 193 is: 289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.32 : 349.80 = 193 : x
  2. Step 2: Convert to fraction form
    233.32/349.80 = 193/x
  3. Step 3: Cross multiply
    233.32x = 349.80 × 193
  4. Step 4: Simplify right side
    233.32x = 67,511.40
  5. Step 5: Solve for x
    x = 67,511.40/233.32
  6. Step 6: Final answer
    x = 289.35

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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.