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Finding the Fourth Proportional to 323,450.89, 446,365.28 and 178,261.98

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Solution

The fourth proportional to 323,450.89, 446,365.28 and 178,261.98 is: 246,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,450.89 : 446,365.28 = 178,261.98 : x
  2. Step 2: Convert to fraction form
    323,450.89/446,365.28 = 178,261.98/x
  3. Step 3: Cross multiply
    323,450.89x = 446,365.28 × 178,261.98
  4. Step 4: Simplify right side
    323,450.89x = 79,569,958,616.05
  5. Step 5: Solve for x
    x = 79,569,958,616.05/323,450.89
  6. Step 6: Final answer
    x = 246,003.21

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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.