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Finding the Fourth Proportional to 695.38, 1,043.13 and 233.27

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Solution

The fourth proportional to 695.38, 1,043.13 and 233.27 is: 349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.38 : 1,043.13 = 233.27 : x
  2. Step 2: Convert to fraction form
    695.38/1,043.13 = 233.27/x
  3. Step 3: Cross multiply
    695.38x = 1,043.13 × 233.27
  4. Step 4: Simplify right side
    695.38x = 243,330.94
  5. Step 5: Solve for x
    x = 243,330.94/695.38
  6. Step 6: Final answer
    x = 349.93

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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.