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Finding the Fourth Proportional to 335.51, 503.26 and 173.24

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Solution

The fourth proportional to 335.51, 503.26 and 173.24 is: 259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.51 : 503.26 = 173.24 : x
  2. Step 2: Convert to fraction form
    335.51/503.26 = 173.24/x
  3. Step 3: Cross multiply
    335.51x = 503.26 × 173.24
  4. Step 4: Simplify right side
    335.51x = 87,181.81
  5. Step 5: Solve for x
    x = 87,181.81/335.51
  6. Step 6: Final answer
    x = 259.85

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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.