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Finding the Fourth Proportional to 490,224.76, 735,171.78 and 186,546.82

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Solution

The fourth proportional to 490,224.76, 735,171.78 and 186,546.82 is: 279,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,224.76 : 735,171.78 = 186,546.82 : x
  2. Step 2: Convert to fraction form
    490,224.76/735,171.78 = 186,546.82/x
  3. Step 3: Cross multiply
    490,224.76x = 735,171.78 × 186,546.82
  4. Step 4: Simplify right side
    490,224.76x = 137,143,957,712.74
  5. Step 5: Solve for x
    x = 137,143,957,712.74/490,224.76
  6. Step 6: Final answer
    x = 279,757.31

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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.