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Finding the Fourth Proportional to 627,445.22, 940,751.76 and 228,038.54

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Solution

The fourth proportional to 627,445.22, 940,751.76 and 228,038.54 is: 341,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,445.22 : 940,751.76 = 228,038.54 : x
  2. Step 2: Convert to fraction form
    627,445.22/940,751.76 = 228,038.54/x
  3. Step 3: Cross multiply
    627,445.22x = 940,751.76 × 228,038.54
  4. Step 4: Simplify right side
    627,445.22x = 214,527,657,852.83
  5. Step 5: Solve for x
    x = 214,527,657,852.83/627,445.22
  6. Step 6: Final answer
    x = 341,906.59

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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.