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Finding the Fourth Proportional to 488,161.80, 673,585.56 and 273,310.92

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Solution

The fourth proportional to 488,161.80, 673,585.56 and 273,310.92 is: 377,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,161.80 : 673,585.56 = 273,310.92 : x
  2. Step 2: Convert to fraction form
    488,161.80/673,585.56 = 273,310.92/x
  3. Step 3: Cross multiply
    488,161.80x = 673,585.56 × 273,310.92
  4. Step 4: Simplify right side
    488,161.80x = 184,098,289,102.32
  5. Step 5: Solve for x
    x = 184,098,289,102.32/488,161.80
  6. Step 6: Final answer
    x = 377,125.55

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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.