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Finding the Fourth Proportional to 529.31, 793.96 and 236.75

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Solution

The fourth proportional to 529.31, 793.96 and 236.75 is: 355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.31 : 793.96 = 236.75 : x
  2. Step 2: Convert to fraction form
    529.31/793.96 = 236.75/x
  3. Step 3: Cross multiply
    529.31x = 793.96 × 236.75
  4. Step 4: Simplify right side
    529.31x = 187,965.47
  5. Step 5: Solve for x
    x = 187,965.47/529.31
  6. Step 6: Final answer
    x = 355.11

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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.