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Finding the Fourth Proportional to 526.26, 789.28 and 160.94

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Solution

The fourth proportional to 526.26, 789.28 and 160.94 is: 241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.26 : 789.28 = 160.94 : x
  2. Step 2: Convert to fraction form
    526.26/789.28 = 160.94/x
  3. Step 3: Cross multiply
    526.26x = 789.28 × 160.94
  4. Step 4: Simplify right side
    526.26x = 127,026.72
  5. Step 5: Solve for x
    x = 127,026.72/526.26
  6. Step 6: Final answer
    x = 241.38

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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.