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Finding the Fourth Proportional to 323.11, 484.70 and 177.01

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Solution

The fourth proportional to 323.11, 484.70 and 177.01 is: 265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.11 : 484.70 = 177.01 : x
  2. Step 2: Convert to fraction form
    323.11/484.70 = 177.01/x
  3. Step 3: Cross multiply
    323.11x = 484.70 × 177.01
  4. Step 4: Simplify right side
    323.11x = 85,796.75
  5. Step 5: Solve for x
    x = 85,796.75/323.11
  6. Step 6: Final answer
    x = 265.53

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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.