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Finding the Fourth Proportional to 550,520.21, 825,691.93 and 151,067.70

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Solution

The fourth proportional to 550,520.21, 825,691.93 and 151,067.70 is: 226,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,520.21 : 825,691.93 = 151,067.70 : x
  2. Step 2: Convert to fraction form
    550,520.21/825,691.93 = 151,067.70/x
  3. Step 3: Cross multiply
    550,520.21x = 825,691.93 × 151,067.70
  4. Step 4: Simplify right side
    550,520.21x = 124,735,380,395.99
  5. Step 5: Solve for x
    x = 124,735,380,395.99/550,520.21
  6. Step 6: Final answer
    x = 226,577.29

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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.