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Finding the Fourth Proportional to 454,406.64, 627,083.76 and 263,533.44

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Solution

The fourth proportional to 454,406.64, 627,083.76 and 263,533.44 is: 363,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,406.64 : 627,083.76 = 263,533.44 : x
  2. Step 2: Convert to fraction form
    454,406.64/627,083.76 = 263,533.44/x
  3. Step 3: Cross multiply
    454,406.64x = 627,083.76 × 263,533.44
  4. Step 4: Simplify right side
    454,406.64x = 165,257,540,440.93
  5. Step 5: Solve for x
    x = 165,257,540,440.93/454,406.64
  6. Step 6: Final answer
    x = 363,677.65

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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.