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Finding the Fourth Proportional to 671.14, 1,006.51 and 232.37

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Solution

The fourth proportional to 671.14, 1,006.51 and 232.37 is: 348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.14 : 1,006.51 = 232.37 : x
  2. Step 2: Convert to fraction form
    671.14/1,006.51 = 232.37/x
  3. Step 3: Cross multiply
    671.14x = 1,006.51 × 232.37
  4. Step 4: Simplify right side
    671.14x = 233,884.18
  5. Step 5: Solve for x
    x = 233,884.18/671.14
  6. Step 6: Final answer
    x = 348.49

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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.