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Finding the Fourth Proportional to 488,203.22, 673,791.16 and 273,357.12

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Solution

The fourth proportional to 488,203.22, 673,791.16 and 273,357.12 is: 377,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,203.22 : 673,791.16 = 273,357.12 : x
  2. Step 2: Convert to fraction form
    488,203.22/673,791.16 = 273,357.12/x
  3. Step 3: Cross multiply
    488,203.22x = 673,791.16 × 273,357.12
  4. Step 4: Simplify right side
    488,203.22x = 184,185,610,979.06
  5. Step 5: Solve for x
    x = 184,185,610,979.06/488,203.22
  6. Step 6: Final answer
    x = 377,272.42

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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.