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Finding the Fourth Proportional to 488,078.44, 673,562.32 and 273,217.22

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Solution

The fourth proportional to 488,078.44, 673,562.32 and 273,217.22 is: 377,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,078.44 : 673,562.32 = 273,217.22 : x
  2. Step 2: Convert to fraction form
    488,078.44/673,562.32 = 273,217.22/x
  3. Step 3: Cross multiply
    488,078.44x = 673,562.32 × 273,217.22
  4. Step 4: Simplify right side
    488,078.44x = 184,028,824,567.15
  5. Step 5: Solve for x
    x = 184,028,824,567.15/488,078.44
  6. Step 6: Final answer
    x = 377,047.64

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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.