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Finding the Fourth Proportional to 488,604.12, 674,267.32 and 273,745.92

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Solution

The fourth proportional to 488,604.12, 674,267.32 and 273,745.92 is: 377,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,604.12 : 674,267.32 = 273,745.92 : x
  2. Step 2: Convert to fraction form
    488,604.12/674,267.32 = 273,745.92/x
  3. Step 3: Cross multiply
    488,604.12x = 674,267.32 × 273,745.92
  4. Step 4: Simplify right side
    488,604.12x = 184,577,927,839.33
  5. Step 5: Solve for x
    x = 184,577,927,839.33/488,604.12
  6. Step 6: Final answer
    x = 377,765.80

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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.