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Finding the Fourth Proportional to 488,794.98, 674,499.87 and 273,893.52

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Solution

The fourth proportional to 488,794.98, 674,499.87 and 273,893.52 is: 377,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,794.98 : 674,499.87 = 273,893.52 : x
  2. Step 2: Convert to fraction form
    488,794.98/674,499.87 = 273,893.52/x
  3. Step 3: Cross multiply
    488,794.98x = 674,499.87 × 273,893.52
  4. Step 4: Simplify right side
    488,794.98x = 184,741,143,633.84
  5. Step 5: Solve for x
    x = 184,741,143,633.84/488,794.98
  6. Step 6: Final answer
    x = 377,952.21

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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.