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Finding the Fourth Proportional to 667.01, 998.15 and 584.52

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Solution

The fourth proportional to 667.01, 998.15 and 584.52 is: 874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    667.01 : 998.15 = 584.52 : x
  2. Step 2: Convert to fraction form
    667.01/998.15 = 584.52/x
  3. Step 3: Cross multiply
    667.01x = 998.15 × 584.52
  4. Step 4: Simplify right side
    667.01x = 583,435.72
  5. Step 5: Solve for x
    x = 583,435.72/667.01
  6. Step 6: Final answer
    x = 874.71

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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.