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Finding the Fourth Proportional to 2,270.02, 3,404.99 and 731.02

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Solution

The fourth proportional to 2,270.02, 3,404.99 and 731.02 is: 1,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.02 : 3,404.99 = 731.02 : x
  2. Step 2: Convert to fraction form
    2,270.02/3,404.99 = 731.02/x
  3. Step 3: Cross multiply
    2,270.02x = 3,404.99 × 731.02
  4. Step 4: Simplify right side
    2,270.02x = 2,489,115.79
  5. Step 5: Solve for x
    x = 2,489,115.79/2,270.02
  6. Step 6: Final answer
    x = 1,096.52

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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.