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Finding the Fourth Proportional to 696.23, 1,043.99 and 233.85

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Solution

The fourth proportional to 696.23, 1,043.99 and 233.85 is: 350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.23 : 1,043.99 = 233.85 : x
  2. Step 2: Convert to fraction form
    696.23/1,043.99 = 233.85/x
  3. Step 3: Cross multiply
    696.23x = 1,043.99 × 233.85
  4. Step 4: Simplify right side
    696.23x = 244,135.89
  5. Step 5: Solve for x
    x = 244,135.89/696.23
  6. Step 6: Final answer
    x = 350.66

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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.