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Finding the Fourth Proportional to 454,893.75, 627,550.47 and 263,796.48

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Solution

The fourth proportional to 454,893.75, 627,550.47 and 263,796.48 is: 363,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,893.75 : 627,550.47 = 263,796.48 : x
  2. Step 2: Convert to fraction form
    454,893.75/627,550.47 = 263,796.48/x
  3. Step 3: Cross multiply
    454,893.75x = 627,550.47 × 263,796.48
  4. Step 4: Simplify right side
    454,893.75x = 165,545,605,008.35
  5. Step 5: Solve for x
    x = 165,545,605,008.35/454,893.75
  6. Step 6: Final answer
    x = 363,921.48

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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.