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Finding the Fourth Proportional to 465.74, 698.20 and 176.97

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Solution

The fourth proportional to 465.74, 698.20 and 176.97 is: 265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.74 : 698.20 = 176.97 : x
  2. Step 2: Convert to fraction form
    465.74/698.20 = 176.97/x
  3. Step 3: Cross multiply
    465.74x = 698.20 × 176.97
  4. Step 4: Simplify right side
    465.74x = 123,560.45
  5. Step 5: Solve for x
    x = 123,560.45/465.74
  6. Step 6: Final answer
    x = 265.30

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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.