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Finding the Fourth Proportional to 496,380.62, 743,916.62 and 196,697.72

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Solution

The fourth proportional to 496,380.62, 743,916.62 and 196,697.72 is: 294,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,380.62 : 743,916.62 = 196,697.72 : x
  2. Step 2: Convert to fraction form
    496,380.62/743,916.62 = 196,697.72/x
  3. Step 3: Cross multiply
    496,380.62x = 743,916.62 × 196,697.72
  4. Step 4: Simplify right side
    496,380.62x = 146,326,698,321.04
  5. Step 5: Solve for x
    x = 146,326,698,321.04/496,380.62
  6. Step 6: Final answer
    x = 294,787.29

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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.