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Finding the Fourth Proportional to 982.93, 1,473.68 and 496.33

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Solution

The fourth proportional to 982.93, 1,473.68 and 496.33 is: 744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.93 : 1,473.68 = 496.33 : x
  2. Step 2: Convert to fraction form
    982.93/1,473.68 = 496.33/x
  3. Step 3: Cross multiply
    982.93x = 1,473.68 × 496.33
  4. Step 4: Simplify right side
    982.93x = 731,424.23
  5. Step 5: Solve for x
    x = 731,424.23/982.93
  6. Step 6: Final answer
    x = 744.13

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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.