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Finding the Fourth Proportional to 603,891.55, 833,380.70 and 331,970.91

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Solution

The fourth proportional to 603,891.55, 833,380.70 and 331,970.91 is: 458,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,891.55 : 833,380.70 = 331,970.91 : x
  2. Step 2: Convert to fraction form
    603,891.55/833,380.70 = 331,970.91/x
  3. Step 3: Cross multiply
    603,891.55x = 833,380.70 × 331,970.91
  4. Step 4: Simplify right side
    603,891.55x = 276,658,149,355.44
  5. Step 5: Solve for x
    x = 276,658,149,355.44/603,891.55
  6. Step 6: Final answer
    x = 458,125.55

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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.