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Finding the Fourth Proportional to 454,362.32, 627,020.52 and 263,486.64

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Solution

The fourth proportional to 454,362.32, 627,020.52 and 263,486.64 is: 363,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,362.32 : 627,020.52 = 263,486.64 : x
  2. Step 2: Convert to fraction form
    454,362.32/627,020.52 = 263,486.64/x
  3. Step 3: Cross multiply
    454,362.32x = 627,020.52 × 263,486.64
  4. Step 4: Simplify right side
    454,362.32x = 165,211,530,025.85
  5. Step 5: Solve for x
    x = 165,211,530,025.85/454,362.32
  6. Step 6: Final answer
    x = 363,611.86

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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.