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Finding the Fourth Proportional to 335.94, 503.52 and 173.28

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Solution

The fourth proportional to 335.94, 503.52 and 173.28 is: 259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.94 : 503.52 = 173.28 : x
  2. Step 2: Convert to fraction form
    335.94/503.52 = 173.28/x
  3. Step 3: Cross multiply
    335.94x = 503.52 × 173.28
  4. Step 4: Simplify right side
    335.94x = 87,249.95
  5. Step 5: Solve for x
    x = 87,249.95/335.94
  6. Step 6: Final answer
    x = 259.72

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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.