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Finding the Fourth Proportional to 273,361.20, 376,903.31 and 224,793.39

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Solution

The fourth proportional to 273,361.20, 376,903.31 and 224,793.39 is: 309,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,361.20 : 376,903.31 = 224,793.39 : x
  2. Step 2: Convert to fraction form
    273,361.20/376,903.31 = 224,793.39/x
  3. Step 3: Cross multiply
    273,361.20x = 376,903.31 × 224,793.39
  4. Step 4: Simplify right side
    273,361.20x = 84,725,373,046.54
  5. Step 5: Solve for x
    x = 84,725,373,046.54/273,361.20
  6. Step 6: Final answer
    x = 309,939.28

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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.