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Finding the Fourth Proportional to 695.65, 1,043.36 and 233.43

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Solution

The fourth proportional to 695.65, 1,043.36 and 233.43 is: 350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.65 : 1,043.36 = 233.43 : x
  2. Step 2: Convert to fraction form
    695.65/1,043.36 = 233.43/x
  3. Step 3: Cross multiply
    695.65x = 1,043.36 × 233.43
  4. Step 4: Simplify right side
    695.65x = 243,551.52
  5. Step 5: Solve for x
    x = 243,551.52/695.65
  6. Step 6: Final answer
    x = 350.11

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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.