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Finding the Fourth Proportional to 495.52, 742.92 and 235.36

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Solution

The fourth proportional to 495.52, 742.92 and 235.36 is: 352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.52 : 742.92 = 235.36 : x
  2. Step 2: Convert to fraction form
    495.52/742.92 = 235.36/x
  3. Step 3: Cross multiply
    495.52x = 742.92 × 235.36
  4. Step 4: Simplify right side
    495.52x = 174,853.65
  5. Step 5: Solve for x
    x = 174,853.65/495.52
  6. Step 6: Final answer
    x = 352.87

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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.