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Finding the Fourth Proportional to 617.06, 925.60 and 232.31

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Solution

The fourth proportional to 617.06, 925.60 and 232.31 is: 348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.06 : 925.60 = 232.31 : x
  2. Step 2: Convert to fraction form
    617.06/925.60 = 232.31/x
  3. Step 3: Cross multiply
    617.06x = 925.60 × 232.31
  4. Step 4: Simplify right side
    617.06x = 215,028.30
  5. Step 5: Solve for x
    x = 215,028.30/617.06
  6. Step 6: Final answer
    x = 348.47

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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.