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Finding the Fourth Proportional to 526.17, 789.27 and 160.95

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Solution

The fourth proportional to 526.17, 789.27 and 160.95 is: 241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.17 : 789.27 = 160.95 : x
  2. Step 2: Convert to fraction form
    526.17/789.27 = 160.95/x
  3. Step 3: Cross multiply
    526.17x = 789.27 × 160.95
  4. Step 4: Simplify right side
    526.17x = 127,033.01
  5. Step 5: Solve for x
    x = 127,033.01/526.17
  6. Step 6: Final answer
    x = 241.43

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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.