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Finding the Fourth Proportional to 488,796.99, 674,579.77 and 271,073.85

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Solution

The fourth proportional to 488,796.99, 674,579.77 and 271,073.85 is: 374,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,796.99 : 674,579.77 = 271,073.85 : x
  2. Step 2: Convert to fraction form
    488,796.99/674,579.77 = 271,073.85/x
  3. Step 3: Cross multiply
    488,796.99x = 674,579.77 × 271,073.85
  4. Step 4: Simplify right side
    488,796.99x = 182,860,933,703.45
  5. Step 5: Solve for x
    x = 182,860,933,703.45/488,796.99
  6. Step 6: Final answer
    x = 374,104.05

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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.