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Finding the Fourth Proportional to 495.92, 743.56 and 235.76

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Solution

The fourth proportional to 495.92, 743.56 and 235.76 is: 353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.92 : 743.56 = 235.76 : x
  2. Step 2: Convert to fraction form
    495.92/743.56 = 235.76/x
  3. Step 3: Cross multiply
    495.92x = 743.56 × 235.76
  4. Step 4: Simplify right side
    495.92x = 175,301.71
  5. Step 5: Solve for x
    x = 175,301.71/495.92
  6. Step 6: Final answer
    x = 353.49

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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.