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Finding the Fourth Proportional to 488,358.20, 673,902.24 and 273,449

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Solution

The fourth proportional to 488,358.20, 673,902.24 and 273,449 is: 377,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,358.20 : 673,902.24 = 273,449 : x
  2. Step 2: Convert to fraction form
    488,358.20/673,902.24 = 273,449/x
  3. Step 3: Cross multiply
    488,358.20x = 673,902.24 × 273,449
  4. Step 4: Simplify right side
    488,358.20x = 184,277,893,625.76
  5. Step 5: Solve for x
    x = 184,277,893,625.76/488,358.20
  6. Step 6: Final answer
    x = 377,341.66

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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.