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Finding the Fourth Proportional to 335.43, 502.74 and 173.03

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Solution

The fourth proportional to 335.43, 502.74 and 173.03 is: 259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.43 : 502.74 = 173.03 : x
  2. Step 2: Convert to fraction form
    335.43/502.74 = 173.03/x
  3. Step 3: Cross multiply
    335.43x = 502.74 × 173.03
  4. Step 4: Simplify right side
    335.43x = 86,986.59
  5. Step 5: Solve for x
    x = 86,986.59/335.43
  6. Step 6: Final answer
    x = 259.33

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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.