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Finding the Fourth Proportional to 454,414.44, 627,018.08 and 263,390.52

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Solution

The fourth proportional to 454,414.44, 627,018.08 and 263,390.52 is: 363,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,414.44 : 627,018.08 = 263,390.52 : x
  2. Step 2: Convert to fraction form
    454,414.44/627,018.08 = 263,390.52/x
  3. Step 3: Cross multiply
    454,414.44x = 627,018.08 × 263,390.52
  4. Step 4: Simplify right side
    454,414.44x = 165,150,618,140.60
  5. Step 5: Solve for x
    x = 165,150,618,140.60/454,414.44
  6. Step 6: Final answer
    x = 363,436.11

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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.