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Finding the Fourth Proportional to 329,676.75, 454,953.92 and 178,773.75

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Solution

The fourth proportional to 329,676.75, 454,953.92 and 178,773.75 is: 246,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,676.75 : 454,953.92 = 178,773.75 : x
  2. Step 2: Convert to fraction form
    329,676.75/454,953.92 = 178,773.75/x
  3. Step 3: Cross multiply
    329,676.75x = 454,953.92 × 178,773.75
  4. Step 4: Simplify right side
    329,676.75x = 81,333,817,461.73
  5. Step 5: Solve for x
    x = 81,333,817,461.73/329,676.75
  6. Step 6: Final answer
    x = 246,707.78

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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.