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Finding the Fourth Proportional to 488,906.83, 674,722.61 and 274,046.95

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Solution

The fourth proportional to 488,906.83, 674,722.61 and 274,046.95 is: 378,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,906.83 : 674,722.61 = 274,046.95 : x
  2. Step 2: Convert to fraction form
    488,906.83/674,722.61 = 274,046.95/x
  3. Step 3: Cross multiply
    488,906.83x = 674,722.61 × 274,046.95
  4. Step 4: Simplify right side
    488,906.83x = 184,905,673,366.54
  5. Step 5: Solve for x
    x = 184,905,673,366.54/488,906.83
  6. Step 6: Final answer
    x = 378,202.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.