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Finding the Fourth Proportional to 454,584.96, 627,464.88 and 263,645.28

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Solution

The fourth proportional to 454,584.96, 627,464.88 and 263,645.28 is: 363,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,584.96 : 627,464.88 = 263,645.28 : x
  2. Step 2: Convert to fraction form
    454,584.96/627,464.88 = 263,645.28/x
  3. Step 3: Cross multiply
    454,584.96x = 627,464.88 × 263,645.28
  4. Step 4: Simplify right side
    454,584.96x = 165,428,153,977.77
  5. Step 5: Solve for x
    x = 165,428,153,977.77/454,584.96
  6. Step 6: Final answer
    x = 363,910.31

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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.