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Finding the Fourth Proportional to 329,408.56, 454,584.05 and 178,505.56

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Solution

The fourth proportional to 329,408.56, 454,584.05 and 178,505.56 is: 246,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,408.56 : 454,584.05 = 178,505.56 : x
  2. Step 2: Convert to fraction form
    329,408.56/454,584.05 = 178,505.56/x
  3. Step 3: Cross multiply
    329,408.56x = 454,584.05 × 178,505.56
  4. Step 4: Simplify right side
    329,408.56x = 81,145,780,412.32
  5. Step 5: Solve for x
    x = 81,145,780,412.32/329,408.56
  6. Step 6: Final answer
    x = 246,337.80

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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.