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Finding the Fourth Proportional to 323,309.61, 446,149.62 and 178,086.94

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Solution

The fourth proportional to 323,309.61, 446,149.62 and 178,086.94 is: 245,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,309.61 : 446,149.62 = 178,086.94 : x
  2. Step 2: Convert to fraction form
    323,309.61/446,149.62 = 178,086.94/x
  3. Step 3: Cross multiply
    323,309.61x = 446,149.62 × 178,086.94
  4. Step 4: Simplify right side
    323,309.61x = 79,453,419,492.59
  5. Step 5: Solve for x
    x = 79,453,419,492.59/323,309.61
  6. Step 6: Final answer
    x = 245,750.26

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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.