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Finding the Fourth Proportional to 335.58, 503.46 and 181.44

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Solution

The fourth proportional to 335.58, 503.46 and 181.44 is: 272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.58 : 503.46 = 181.44 : x
  2. Step 2: Convert to fraction form
    335.58/503.46 = 181.44/x
  3. Step 3: Cross multiply
    335.58x = 503.46 × 181.44
  4. Step 4: Simplify right side
    335.58x = 91,347.78
  5. Step 5: Solve for x
    x = 91,347.78/335.58
  6. Step 6: Final answer
    x = 272.21

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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.