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Finding the Fourth Proportional to 335.92, 503.44 and 173.20

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Solution

The fourth proportional to 335.92, 503.44 and 173.20 is: 259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.92 : 503.44 = 173.20 : x
  2. Step 2: Convert to fraction form
    335.92/503.44 = 173.20/x
  3. Step 3: Cross multiply
    335.92x = 503.44 × 173.20
  4. Step 4: Simplify right side
    335.92x = 87,195.81
  5. Step 5: Solve for x
    x = 87,195.81/335.92
  6. Step 6: Final answer
    x = 259.57

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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.