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Finding the Fourth Proportional to 603,906.65, 833,393.87 and 331,992.06

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Solution

The fourth proportional to 603,906.65, 833,393.87 and 331,992.06 is: 458,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,906.65 : 833,393.87 = 331,992.06 : x
  2. Step 2: Convert to fraction form
    603,906.65/833,393.87 = 331,992.06/x
  3. Step 3: Cross multiply
    603,906.65x = 833,393.87 × 331,992.06
  4. Step 4: Simplify right side
    603,906.65x = 276,680,147,692.67
  5. Step 5: Solve for x
    x = 276,680,147,692.67/603,906.65
  6. Step 6: Final answer
    x = 458,150.52

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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.