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Finding the Fourth Proportional to 629,562.84, 868,771.44 and 343,076.82

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Solution

The fourth proportional to 629,562.84, 868,771.44 and 343,076.82 is: 473,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,562.84 : 868,771.44 = 343,076.82 : x
  2. Step 2: Convert to fraction form
    629,562.84/868,771.44 = 343,076.82/x
  3. Step 3: Cross multiply
    629,562.84x = 868,771.44 × 343,076.82
  4. Step 4: Simplify right side
    629,562.84x = 298,055,342,942.02
  5. Step 5: Solve for x
    x = 298,055,342,942.02/629,562.84
  6. Step 6: Final answer
    x = 473,432.24

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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.