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Finding the Fourth Proportional to 617.33, 925.84 and 252.22

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Solution

The fourth proportional to 617.33, 925.84 and 252.22 is: 378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.33 : 925.84 = 252.22 : x
  2. Step 2: Convert to fraction form
    617.33/925.84 = 252.22/x
  3. Step 3: Cross multiply
    617.33x = 925.84 × 252.22
  4. Step 4: Simplify right side
    617.33x = 233,514.10
  5. Step 5: Solve for x
    x = 233,514.10/617.33
  6. Step 6: Final answer
    x = 378.27

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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.