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Finding the Fourth Proportional to 627,722.33, 866,246.54 and 341,249.63

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Solution

The fourth proportional to 627,722.33, 866,246.54 and 341,249.63 is: 470,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,722.33 : 866,246.54 = 341,249.63 : x
  2. Step 2: Convert to fraction form
    627,722.33/866,246.54 = 341,249.63/x
  3. Step 3: Cross multiply
    627,722.33x = 866,246.54 × 341,249.63
  4. Step 4: Simplify right side
    627,722.33x = 295,606,305,226.30
  5. Step 5: Solve for x
    x = 295,606,305,226.30/627,722.33
  6. Step 6: Final answer
    x = 470,918.90

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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.