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Finding the Fourth Proportional to 323,679.75, 446,704.66 and 178,513.94

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Solution

The fourth proportional to 323,679.75, 446,704.66 and 178,513.94 is: 246,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,679.75 : 446,704.66 = 178,513.94 : x
  2. Step 2: Convert to fraction form
    323,679.75/446,704.66 = 178,513.94/x
  3. Step 3: Cross multiply
    323,679.75x = 446,704.66 × 178,513.94
  4. Step 4: Simplify right side
    323,679.75x = 79,743,007,888.13
  5. Step 5: Solve for x
    x = 79,743,007,888.13/323,679.75
  6. Step 6: Final answer
    x = 246,363.90

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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.