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Finding the Fourth Proportional to 671.14, 925.32 and 552.70

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Solution

The fourth proportional to 671.14, 925.32 and 552.70 is: 762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.14 : 925.32 = 552.70 : x
  2. Step 2: Convert to fraction form
    671.14/925.32 = 552.70/x
  3. Step 3: Cross multiply
    671.14x = 925.32 × 552.70
  4. Step 4: Simplify right side
    671.14x = 511,424.36
  5. Step 5: Solve for x
    x = 511,424.36/671.14
  6. Step 6: Final answer
    x = 762.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.