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Finding the Fourth Proportional to 937.26, 1,404.32 and 662.09

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Solution

The fourth proportional to 937.26, 1,404.32 and 662.09 is: 992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.26 : 1,404.32 = 662.09 : x
  2. Step 2: Convert to fraction form
    937.26/1,404.32 = 662.09/x
  3. Step 3: Cross multiply
    937.26x = 1,404.32 × 662.09
  4. Step 4: Simplify right side
    937.26x = 929,775.90
  5. Step 5: Solve for x
    x = 929,775.90/937.26
  6. Step 6: Final answer
    x = 992.01

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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.