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Finding the Fourth Proportional to 627,662.94, 866,176.83 and 341,183.94

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Solution

The fourth proportional to 627,662.94, 866,176.83 and 341,183.94 is: 470,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,662.94 : 866,176.83 = 341,183.94 : x
  2. Step 2: Convert to fraction form
    627,662.94/866,176.83 = 341,183.94/x
  3. Step 3: Cross multiply
    627,662.94x = 866,176.83 × 341,183.94
  4. Step 4: Simplify right side
    627,662.94x = 295,525,623,596.11
  5. Step 5: Solve for x
    x = 295,525,623,596.11/627,662.94
  6. Step 6: Final answer
    x = 470,834.91

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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.