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Finding the Fourth Proportional to 323,530.05, 446,474.73 and 178,341

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Solution

The fourth proportional to 323,530.05, 446,474.73 and 178,341 is: 246,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,530.05 : 446,474.73 = 178,341 : x
  2. Step 2: Convert to fraction form
    323,530.05/446,474.73 = 178,341/x
  3. Step 3: Cross multiply
    323,530.05x = 446,474.73 × 178,341
  4. Step 4: Simplify right side
    323,530.05x = 79,624,749,822.93
  5. Step 5: Solve for x
    x = 79,624,749,822.93/323,530.05
  6. Step 6: Final answer
    x = 246,112.38

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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.