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Finding the Fourth Proportional to 234,684.56, 351,355.98 and 219,787.44

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Solution

The fourth proportional to 234,684.56, 351,355.98 and 219,787.44 is: 329,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,684.56 : 351,355.98 = 219,787.44 : x
  2. Step 2: Convert to fraction form
    234,684.56/351,355.98 = 219,787.44/x
  3. Step 3: Cross multiply
    234,684.56x = 351,355.98 × 219,787.44
  4. Step 4: Simplify right side
    234,684.56x = 77,223,631,372.89
  5. Step 5: Solve for x
    x = 77,223,631,372.89/234,684.56
  6. Step 6: Final answer
    x = 329,052.88

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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.