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Finding the Fourth Proportional to 627,722.58, 866,246.94 and 341,249.88

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Solution

The fourth proportional to 627,722.58, 866,246.94 and 341,249.88 is: 470,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,722.58 : 866,246.94 = 341,249.88 : x
  2. Step 2: Convert to fraction form
    627,722.58/866,246.94 = 341,249.88/x
  3. Step 3: Cross multiply
    627,722.58x = 866,246.94 × 341,249.88
  4. Step 4: Simplify right side
    627,722.58x = 295,606,664,325.37
  5. Step 5: Solve for x
    x = 295,606,664,325.37/627,722.58
  6. Step 6: Final answer
    x = 470,919.28

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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.