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Finding the Fourth Proportional to 627,447.97, 940,755.88 and 228,041.29

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Solution

The fourth proportional to 627,447.97, 940,755.88 and 228,041.29 is: 341,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,447.97 : 940,755.88 = 228,041.29 : x
  2. Step 2: Convert to fraction form
    627,447.97/940,755.88 = 228,041.29/x
  3. Step 3: Cross multiply
    627,447.97x = 940,755.88 × 228,041.29
  4. Step 4: Simplify right side
    627,447.97x = 214,531,184,450.29
  5. Step 5: Solve for x
    x = 214,531,184,450.29/627,447.97
  6. Step 6: Final answer
    x = 341,910.72

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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.