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Finding the Fourth Proportional to 997.35, 1,496.88 and 995.04

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Solution

The fourth proportional to 997.35, 1,496.88 and 995.04 is: 1,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    997.35 : 1,496.88 = 995.04 : x
  2. Step 2: Convert to fraction form
    997.35/1,496.88 = 995.04/x
  3. Step 3: Cross multiply
    997.35x = 1,496.88 × 995.04
  4. Step 4: Simplify right side
    997.35x = 1,489,455.47
  5. Step 5: Solve for x
    x = 1,489,455.47/997.35
  6. Step 6: Final answer
    x = 1,493.42

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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.