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Finding the Fourth Proportional to 454,893.61, 627,759.71 and 263,964.73

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Solution

The fourth proportional to 454,893.61, 627,759.71 and 263,964.73 is: 364,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,893.61 : 627,759.71 = 263,964.73 : x
  2. Step 2: Convert to fraction form
    454,893.61/627,759.71 = 263,964.73/x
  3. Step 3: Cross multiply
    454,893.61x = 627,759.71 × 263,964.73
  4. Step 4: Simplify right side
    454,893.61x = 165,706,422,355.03
  5. Step 5: Solve for x
    x = 165,706,422,355.03/454,893.61
  6. Step 6: Final answer
    x = 364,275.12

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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.