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Finding the Fourth Proportional to 995.33, 1,493.10 and 264.96

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Solution

The fourth proportional to 995.33, 1,493.10 and 264.96 is: 397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.33 : 1,493.10 = 264.96 : x
  2. Step 2: Convert to fraction form
    995.33/1,493.10 = 264.96/x
  3. Step 3: Cross multiply
    995.33x = 1,493.10 × 264.96
  4. Step 4: Simplify right side
    995.33x = 395,611.78
  5. Step 5: Solve for x
    x = 395,611.78/995.33
  6. Step 6: Final answer
    x = 397.47

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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.