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Finding the Fourth Proportional to 321,048.54, 443,027.52 and 177,800.04

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Solution

The fourth proportional to 321,048.54, 443,027.52 and 177,800.04 is: 245,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,048.54 : 443,027.52 = 177,800.04 : x
  2. Step 2: Convert to fraction form
    321,048.54/443,027.52 = 177,800.04/x
  3. Step 3: Cross multiply
    321,048.54x = 443,027.52 × 177,800.04
  4. Step 4: Simplify right side
    321,048.54x = 78,770,310,777.10
  5. Step 5: Solve for x
    x = 78,770,310,777.10/321,048.54
  6. Step 6: Final answer
    x = 245,353.28

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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.