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Finding the Fourth Proportional to 335.24, 502.70 and 190.92

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Solution

The fourth proportional to 335.24, 502.70 and 190.92 is: 286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.24 : 502.70 = 190.92 : x
  2. Step 2: Convert to fraction form
    335.24/502.70 = 190.92/x
  3. Step 3: Cross multiply
    335.24x = 502.70 × 190.92
  4. Step 4: Simplify right side
    335.24x = 95,975.48
  5. Step 5: Solve for x
    x = 95,975.48/335.24
  6. Step 6: Final answer
    x = 286.29

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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.