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Finding the Fourth Proportional to 335.76, 503.48 and 173.36

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Solution

The fourth proportional to 335.76, 503.48 and 173.36 is: 259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.76 : 503.48 = 173.36 : x
  2. Step 2: Convert to fraction form
    335.76/503.48 = 173.36/x
  3. Step 3: Cross multiply
    335.76x = 503.48 × 173.36
  4. Step 4: Simplify right side
    335.76x = 87,283.29
  5. Step 5: Solve for x
    x = 87,283.29/335.76
  6. Step 6: Final answer
    x = 259.96

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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.