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Finding the Fourth Proportional to 235.71, 353.63 and 235.37

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Solution

The fourth proportional to 235.71, 353.63 and 235.37 is: 353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.71 : 353.63 = 235.37 : x
  2. Step 2: Convert to fraction form
    235.71/353.63 = 235.37/x
  3. Step 3: Cross multiply
    235.71x = 353.63 × 235.37
  4. Step 4: Simplify right side
    235.71x = 83,235.37
  5. Step 5: Solve for x
    x = 83,235.37/235.71
  6. Step 6: Final answer
    x = 353.13

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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.