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Finding the Fourth Proportional to 995.70, 1,493.34 and 337.46

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Solution

The fourth proportional to 995.70, 1,493.34 and 337.46 is: 506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.70 : 1,493.34 = 337.46 : x
  2. Step 2: Convert to fraction form
    995.70/1,493.34 = 337.46/x
  3. Step 3: Cross multiply
    995.70x = 1,493.34 × 337.46
  4. Step 4: Simplify right side
    995.70x = 503,942.52
  5. Step 5: Solve for x
    x = 503,942.52/995.70
  6. Step 6: Final answer
    x = 506.12

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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.