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Finding the Fourth Proportional to 446,057.80, 668,892.30 and 179,729.80

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Solution

The fourth proportional to 446,057.80, 668,892.30 and 179,729.80 is: 269,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,057.80 : 668,892.30 = 179,729.80 : x
  2. Step 2: Convert to fraction form
    446,057.80/668,892.30 = 179,729.80/x
  3. Step 3: Cross multiply
    446,057.80x = 668,892.30 × 179,729.80
  4. Step 4: Simplify right side
    446,057.80x = 120,219,879,300.54
  5. Step 5: Solve for x
    x = 120,219,879,300.54/446,057.80
  6. Step 6: Final answer
    x = 269,516.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.