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Finding the Fourth Proportional to 403,319.52, 605,067.12 and 122,829.48

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Solution

The fourth proportional to 403,319.52, 605,067.12 and 122,829.48 is: 184,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,319.52 : 605,067.12 = 122,829.48 : x
  2. Step 2: Convert to fraction form
    403,319.52/605,067.12 = 122,829.48/x
  3. Step 3: Cross multiply
    403,319.52x = 605,067.12 × 122,829.48
  4. Step 4: Simplify right side
    403,319.52x = 74,320,079,714.70
  5. Step 5: Solve for x
    x = 74,320,079,714.70/403,319.52
  6. Step 6: Final answer
    x = 184,270.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.