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Finding the Fourth Proportional to 488,358.70, 673,902.93 and 273,449.50

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Solution

The fourth proportional to 488,358.70, 673,902.93 and 273,449.50 is: 377,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,358.70 : 673,902.93 = 273,449.50 : x
  2. Step 2: Convert to fraction form
    488,358.70/673,902.93 = 273,449.50/x
  3. Step 3: Cross multiply
    488,358.70x = 673,902.93 × 273,449.50
  4. Step 4: Simplify right side
    488,358.70x = 184,278,419,257.04
  5. Step 5: Solve for x
    x = 184,278,419,257.04/488,358.70
  6. Step 6: Final answer
    x = 377,342.35

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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.