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Finding the Fourth Proportional to 529.22, 793.26 and 269.41

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Solution

The fourth proportional to 529.22, 793.26 and 269.41 is: 403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.22 : 793.26 = 269.41 : x
  2. Step 2: Convert to fraction form
    529.22/793.26 = 269.41/x
  3. Step 3: Cross multiply
    529.22x = 793.26 × 269.41
  4. Step 4: Simplify right side
    529.22x = 213,712.18
  5. Step 5: Solve for x
    x = 213,712.18/529.22
  6. Step 6: Final answer
    x = 403.82

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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.