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Finding the Fourth Proportional to 603,908.17, 833,395.97 and 331,993.55

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Solution

The fourth proportional to 603,908.17, 833,395.97 and 331,993.55 is: 458,152.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,908.17 : 833,395.97 = 331,993.55 : x
  2. Step 2: Convert to fraction form
    603,908.17/833,395.97 = 331,993.55/x
  3. Step 3: Cross multiply
    603,908.17x = 833,395.97 × 331,993.55
  4. Step 4: Simplify right side
    603,908.17x = 276,682,086,635.99
  5. Step 5: Solve for x
    x = 276,682,086,635.99/603,908.17
  6. Step 6: Final answer
    x = 458,152.58

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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.