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Finding the Fourth Proportional to 335.88, 503.10 and 173.22

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Solution

The fourth proportional to 335.88, 503.10 and 173.22 is: 259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.88 : 503.10 = 173.22 : x
  2. Step 2: Convert to fraction form
    335.88/503.10 = 173.22/x
  3. Step 3: Cross multiply
    335.88x = 503.10 × 173.22
  4. Step 4: Simplify right side
    335.88x = 87,146.98
  5. Step 5: Solve for x
    x = 87,146.98/335.88
  6. Step 6: Final answer
    x = 259.46

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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.