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Finding the Fourth Proportional to 603,781.56, 833,209.74 and 349,156.44

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Solution

The fourth proportional to 603,781.56, 833,209.74 and 349,156.44 is: 481,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,781.56 : 833,209.74 = 349,156.44 : x
  2. Step 2: Convert to fraction form
    603,781.56/833,209.74 = 349,156.44/x
  3. Step 3: Cross multiply
    603,781.56x = 833,209.74 × 349,156.44
  4. Step 4: Simplify right side
    603,781.56x = 290,920,546,591.73
  5. Step 5: Solve for x
    x = 290,920,546,591.73/603,781.56
  6. Step 6: Final answer
    x = 481,830.79

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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.