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Finding the Fourth Proportional to 324,553.56, 447,875.16 and 177,372.60

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Solution

The fourth proportional to 324,553.56, 447,875.16 and 177,372.60 is: 244,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,553.56 : 447,875.16 = 177,372.60 : x
  2. Step 2: Convert to fraction form
    324,553.56/447,875.16 = 177,372.60/x
  3. Step 3: Cross multiply
    324,553.56x = 447,875.16 × 177,372.60
  4. Step 4: Simplify right side
    324,553.56x = 79,440,781,604.62
  5. Step 5: Solve for x
    x = 79,440,781,604.62/324,553.56
  6. Step 6: Final answer
    x = 244,769.40

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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.