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Finding the Fourth Proportional to 488,503.06, 674,126.82 and 273,650.81

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Solution

The fourth proportional to 488,503.06, 674,126.82 and 273,650.81 is: 377,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,503.06 : 674,126.82 = 273,650.81 : x
  2. Step 2: Convert to fraction form
    488,503.06/674,126.82 = 273,650.81/x
  3. Step 3: Cross multiply
    488,503.06x = 674,126.82 × 273,650.81
  4. Step 4: Simplify right side
    488,503.06x = 184,475,350,757.05
  5. Step 5: Solve for x
    x = 184,475,350,757.05/488,503.06
  6. Step 6: Final answer
    x = 377,633.97

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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.