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Finding the Fourth Proportional to 445,755.28, 668,799.36 and 179,591.30

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Solution

The fourth proportional to 445,755.28, 668,799.36 and 179,591.30 is: 269,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,755.28 : 668,799.36 = 179,591.30 : x
  2. Step 2: Convert to fraction form
    445,755.28/668,799.36 = 179,591.30/x
  3. Step 3: Cross multiply
    445,755.28x = 668,799.36 × 179,591.30
  4. Step 4: Simplify right side
    445,755.28x = 120,110,546,501.57
  5. Step 5: Solve for x
    x = 120,110,546,501.57/445,755.28
  6. Step 6: Final answer
    x = 269,454.01

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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.