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Finding the Fourth Proportional to 995.35, 1,493.16 and 301.94

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Solution

The fourth proportional to 995.35, 1,493.16 and 301.94 is: 452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.35 : 1,493.16 = 301.94 : x
  2. Step 2: Convert to fraction form
    995.35/1,493.16 = 301.94/x
  3. Step 3: Cross multiply
    995.35x = 1,493.16 × 301.94
  4. Step 4: Simplify right side
    995.35x = 450,844.73
  5. Step 5: Solve for x
    x = 450,844.73/995.35
  6. Step 6: Final answer
    x = 452.95

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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.