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Finding the Fourth Proportional to 454,229.57, 680,701.78 and 251,914.76

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Solution

The fourth proportional to 454,229.57, 680,701.78 and 251,914.76 is: 377,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,229.57 : 680,701.78 = 251,914.76 : x
  2. Step 2: Convert to fraction form
    454,229.57/680,701.78 = 251,914.76/x
  3. Step 3: Cross multiply
    454,229.57x = 680,701.78 × 251,914.76
  4. Step 4: Simplify right side
    454,229.57x = 171,478,823,587.27
  5. Step 5: Solve for x
    x = 171,478,823,587.27/454,229.57
  6. Step 6: Final answer
    x = 377,515.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.