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Finding the Fourth Proportional to 982.60, 1,474.04 and 333.52

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Solution

The fourth proportional to 982.60, 1,474.04 and 333.52 is: 500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.60 : 1,474.04 = 333.52 : x
  2. Step 2: Convert to fraction form
    982.60/1,474.04 = 333.52/x
  3. Step 3: Cross multiply
    982.60x = 1,474.04 × 333.52
  4. Step 4: Simplify right side
    982.60x = 491,621.82
  5. Step 5: Solve for x
    x = 491,621.82/982.60
  6. Step 6: Final answer
    x = 500.33

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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.