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Finding the Fourth Proportional to 494,888.05, 682,593.32 and 454,183.65

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Solution

The fourth proportional to 494,888.05, 682,593.32 and 454,183.65 is: 626,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,888.05 : 682,593.32 = 454,183.65 : x
  2. Step 2: Convert to fraction form
    494,888.05/682,593.32 = 454,183.65/x
  3. Step 3: Cross multiply
    494,888.05x = 682,593.32 × 454,183.65
  4. Step 4: Simplify right side
    494,888.05x = 310,022,723,957.74
  5. Step 5: Solve for x
    x = 310,022,723,957.74/494,888.05
  6. Step 6: Final answer
    x = 626,450.21

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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.