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Finding the Fourth Proportional to 584,100.87, 806,424.11 and 447,873.12

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Solution

The fourth proportional to 584,100.87, 806,424.11 and 447,873.12 is: 618,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,100.87 : 806,424.11 = 447,873.12 : x
  2. Step 2: Convert to fraction form
    584,100.87/806,424.11 = 447,873.12/x
  3. Step 3: Cross multiply
    584,100.87x = 806,424.11 × 447,873.12
  4. Step 4: Simplify right side
    584,100.87x = 361,175,682,188.92
  5. Step 5: Solve for x
    x = 361,175,682,188.92/584,100.87
  6. Step 6: Final answer
    x = 618,344.71

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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.