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Finding the Fourth Proportional to 465.75, 698.75 and 177.27

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Solution

The fourth proportional to 465.75, 698.75 and 177.27 is: 265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.75 : 698.75 = 177.27 : x
  2. Step 2: Convert to fraction form
    465.75/698.75 = 177.27/x
  3. Step 3: Cross multiply
    465.75x = 698.75 × 177.27
  4. Step 4: Simplify right side
    465.75x = 123,866.53
  5. Step 5: Solve for x
    x = 123,866.53/465.75
  6. Step 6: Final answer
    x = 265.95

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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.