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Finding the Fourth Proportional to 441,642.70, 662,464.05 and 204,906.70

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Solution

The fourth proportional to 441,642.70, 662,464.05 and 204,906.70 is: 307,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,642.70 : 662,464.05 = 204,906.70 : x
  2. Step 2: Convert to fraction form
    441,642.70/662,464.05 = 204,906.70/x
  3. Step 3: Cross multiply
    441,642.70x = 662,464.05 × 204,906.70
  4. Step 4: Simplify right side
    441,642.70x = 135,743,322,354.14
  5. Step 5: Solve for x
    x = 135,743,322,354.14/441,642.70
  6. Step 6: Final answer
    x = 307,360.05

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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.