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Finding the Fourth Proportional to 454,586.70, 627,403.56 and 273,481.68

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Solution

The fourth proportional to 454,586.70, 627,403.56 and 273,481.68 is: 377,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,586.70 : 627,403.56 = 273,481.68 : x
  2. Step 2: Convert to fraction form
    454,586.70/627,403.56 = 273,481.68/x
  3. Step 3: Cross multiply
    454,586.70x = 627,403.56 × 273,481.68
  4. Step 4: Simplify right side
    454,586.70x = 171,583,379,626.78
  5. Step 5: Solve for x
    x = 171,583,379,626.78/454,586.70
  6. Step 6: Final answer
    x = 377,449.19

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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.