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Finding the Fourth Proportional to 465.77, 698.50 and 169.24

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Solution

The fourth proportional to 465.77, 698.50 and 169.24 is: 253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.77 : 698.50 = 169.24 : x
  2. Step 2: Convert to fraction form
    465.77/698.50 = 169.24/x
  3. Step 3: Cross multiply
    465.77x = 698.50 × 169.24
  4. Step 4: Simplify right side
    465.77x = 118,214.14
  5. Step 5: Solve for x
    x = 118,214.14/465.77
  6. Step 6: Final answer
    x = 253.80

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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.