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Finding the Fourth Proportional to 454,530.87, 627,256.95 and 250,589.25

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Solution

The fourth proportional to 454,530.87, 627,256.95 and 250,589.25 is: 345,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,530.87 : 627,256.95 = 250,589.25 : x
  2. Step 2: Convert to fraction form
    454,530.87/627,256.95 = 250,589.25/x
  3. Step 3: Cross multiply
    454,530.87x = 627,256.95 × 250,589.25
  4. Step 4: Simplify right side
    454,530.87x = 157,183,848,657.79
  5. Step 5: Solve for x
    x = 157,183,848,657.79/454,530.87
  6. Step 6: Final answer
    x = 345,815.56

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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.