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Finding the Fourth Proportional to 629,562.24, 868,764.96 and 343,081.44

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Solution

The fourth proportional to 629,562.24, 868,764.96 and 343,081.44 is: 473,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,562.24 : 868,764.96 = 343,081.44 : x
  2. Step 2: Convert to fraction form
    629,562.24/868,764.96 = 343,081.44/x
  3. Step 3: Cross multiply
    629,562.24x = 868,764.96 × 343,081.44
  4. Step 4: Simplify right side
    629,562.24x = 298,057,133,498.34
  5. Step 5: Solve for x
    x = 298,057,133,498.34/629,562.24
  6. Step 6: Final answer
    x = 473,435.53

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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.