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Finding the Fourth Proportional to 625.44, 937.92 and 235.36

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Solution

The fourth proportional to 625.44, 937.92 and 235.36 is: 352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.44 : 937.92 = 235.36 : x
  2. Step 2: Convert to fraction form
    625.44/937.92 = 235.36/x
  3. Step 3: Cross multiply
    625.44x = 937.92 × 235.36
  4. Step 4: Simplify right side
    625.44x = 220,748.85
  5. Step 5: Solve for x
    x = 220,748.85/625.44
  6. Step 6: Final answer
    x = 352.95

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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.