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Finding the Fourth Proportional to 629,579.16, 868,793.96 and 343,093.10

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Solution

The fourth proportional to 629,579.16, 868,793.96 and 343,093.10 is: 473,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,579.16 : 868,793.96 = 343,093.10 : x
  2. Step 2: Convert to fraction form
    629,579.16/868,793.96 = 343,093.10/x
  3. Step 3: Cross multiply
    629,579.16x = 868,793.96 × 343,093.10
  4. Step 4: Simplify right side
    629,579.16x = 298,077,212,997.68
  5. Step 5: Solve for x
    x = 298,077,212,997.68/629,579.16
  6. Step 6: Final answer
    x = 473,454.70

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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.