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Finding the Fourth Proportional to 488,099.85, 673,572.60 and 273,241.68

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Solution

The fourth proportional to 488,099.85, 673,572.60 and 273,241.68 is: 377,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,099.85 : 673,572.60 = 273,241.68 : x
  2. Step 2: Convert to fraction form
    488,099.85/673,572.60 = 273,241.68/x
  3. Step 3: Cross multiply
    488,099.85x = 673,572.60 × 273,241.68
  4. Step 4: Simplify right side
    488,099.85x = 184,048,108,825.97
  5. Step 5: Solve for x
    x = 184,048,108,825.97/488,099.85
  6. Step 6: Final answer
    x = 377,070.61

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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.