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Finding the Fourth Proportional to 526.22, 789.42 and 160.92

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Solution

The fourth proportional to 526.22, 789.42 and 160.92 is: 241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.22 : 789.42 = 160.92 : x
  2. Step 2: Convert to fraction form
    526.22/789.42 = 160.92/x
  3. Step 3: Cross multiply
    526.22x = 789.42 × 160.92
  4. Step 4: Simplify right side
    526.22x = 127,033.47
  5. Step 5: Solve for x
    x = 127,033.47/526.22
  6. Step 6: Final answer
    x = 241.41

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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.