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Finding the Fourth Proportional to 335.26, 503.16 and 252.91

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Solution

The fourth proportional to 335.26, 503.16 and 252.91 is: 379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.26 : 503.16 = 252.91 : x
  2. Step 2: Convert to fraction form
    335.26/503.16 = 252.91/x
  3. Step 3: Cross multiply
    335.26x = 503.16 × 252.91
  4. Step 4: Simplify right side
    335.26x = 127,254.20
  5. Step 5: Solve for x
    x = 127,254.20/335.26
  6. Step 6: Final answer
    x = 379.57

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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.