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Finding the Fourth Proportional to 454,472.85, 627,144.36 and 250,513.23

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Solution

The fourth proportional to 454,472.85, 627,144.36 and 250,513.23 is: 345,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,472.85 : 627,144.36 = 250,513.23 : x
  2. Step 2: Convert to fraction form
    454,472.85/627,144.36 = 250,513.23/x
  3. Step 3: Cross multiply
    454,472.85x = 627,144.36 × 250,513.23
  4. Step 4: Simplify right side
    454,472.85x = 157,107,954,911.60
  5. Step 5: Solve for x
    x = 157,107,954,911.60/454,472.85
  6. Step 6: Final answer
    x = 345,692.72

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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.