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Finding the Fourth Proportional to 982.44, 1,473.80 and 333

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Solution

The fourth proportional to 982.44, 1,473.80 and 333 is: 499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.44 : 1,473.80 = 333 : x
  2. Step 2: Convert to fraction form
    982.44/1,473.80 = 333/x
  3. Step 3: Cross multiply
    982.44x = 1,473.80 × 333
  4. Step 4: Simplify right side
    982.44x = 490,773.74
  5. Step 5: Solve for x
    x = 490,773.74/982.44
  6. Step 6: Final answer
    x = 499.55

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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.