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Finding the Fourth Proportional to 627,447.72, 940,755.51 and 228,041.04

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Solution

The fourth proportional to 627,447.72, 940,755.51 and 228,041.04 is: 341,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,447.72 : 940,755.51 = 228,041.04 : x
  2. Step 2: Convert to fraction form
    627,447.72/940,755.51 = 228,041.04/x
  3. Step 3: Cross multiply
    627,447.72x = 940,755.51 × 228,041.04
  4. Step 4: Simplify right side
    627,447.72x = 214,530,864,886.13
  5. Step 5: Solve for x
    x = 214,530,864,886.13/627,447.72
  6. Step 6: Final answer
    x = 341,910.34

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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.