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Finding the Fourth Proportional to 425,096.45, 636,944.81 and 297,025.73

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Solution

The fourth proportional to 425,096.45, 636,944.81 and 297,025.73 is: 445,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,096.45 : 636,944.81 = 297,025.73 : x
  2. Step 2: Convert to fraction form
    425,096.45/636,944.81 = 297,025.73/x
  3. Step 3: Cross multiply
    425,096.45x = 636,944.81 × 297,025.73
  4. Step 4: Simplify right side
    425,096.45x = 189,188,994,717.80
  5. Step 5: Solve for x
    x = 189,188,994,717.80/425,096.45
  6. Step 6: Final answer
    x = 445,049.58

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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.