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Finding the Fourth Proportional to 335.25, 502.62 and 173.04

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Solution

The fourth proportional to 335.25, 502.62 and 173.04 is: 259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.25 : 502.62 = 173.04 : x
  2. Step 2: Convert to fraction form
    335.25/502.62 = 173.04/x
  3. Step 3: Cross multiply
    335.25x = 502.62 × 173.04
  4. Step 4: Simplify right side
    335.25x = 86,973.36
  5. Step 5: Solve for x
    x = 86,973.36/335.25
  6. Step 6: Final answer
    x = 259.43

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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.