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Finding the Fourth Proportional to 529.34, 793.96 and 236.86

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Solution

The fourth proportional to 529.34, 793.96 and 236.86 is: 355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.34 : 793.96 = 236.86 : x
  2. Step 2: Convert to fraction form
    529.34/793.96 = 236.86/x
  3. Step 3: Cross multiply
    529.34x = 793.96 × 236.86
  4. Step 4: Simplify right side
    529.34x = 188,054.79
  5. Step 5: Solve for x
    x = 188,054.79/529.34
  6. Step 6: Final answer
    x = 355.26

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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.