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Finding the Fourth Proportional to 335.55, 502.25 and 173.01

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Solution

The fourth proportional to 335.55, 502.25 and 173.01 is: 258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.55 : 502.25 = 173.01 : x
  2. Step 2: Convert to fraction form
    335.55/502.25 = 173.01/x
  3. Step 3: Cross multiply
    335.55x = 502.25 × 173.01
  4. Step 4: Simplify right side
    335.55x = 86,893.41
  5. Step 5: Solve for x
    x = 86,893.41/335.55
  6. Step 6: Final answer
    x = 258.96

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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.