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Finding the Fourth Proportional to 629,543.88, 868,745.26 and 343,057.82

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Solution

The fourth proportional to 629,543.88, 868,745.26 and 343,057.82 is: 473,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,543.88 : 868,745.26 = 343,057.82 : x
  2. Step 2: Convert to fraction form
    629,543.88/868,745.26 = 343,057.82/x
  3. Step 3: Cross multiply
    629,543.88x = 868,745.26 × 343,057.82
  4. Step 4: Simplify right side
    629,543.88x = 298,029,855,030.93
  5. Step 5: Solve for x
    x = 298,029,855,030.93/629,543.88
  6. Step 6: Final answer
    x = 473,406.01

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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.