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Finding the Fourth Proportional to 627,446.97, 940,754.39 and 228,040.29

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Solution

The fourth proportional to 627,446.97, 940,754.39 and 228,040.29 is: 341,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,446.97 : 940,754.39 = 228,040.29 : x
  2. Step 2: Convert to fraction form
    627,446.97/940,754.39 = 228,040.29/x
  3. Step 3: Cross multiply
    627,446.97x = 940,754.39 × 228,040.29
  4. Step 4: Simplify right side
    627,446.97x = 214,529,902,774.17
  5. Step 5: Solve for x
    x = 214,529,902,774.17/627,446.97
  6. Step 6: Final answer
    x = 341,909.22

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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.