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Finding the Fourth Proportional to 627,739.90, 866,262.27 and 341,252.62

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Solution

The fourth proportional to 627,739.90, 866,262.27 and 341,252.62 is: 470,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,739.90 : 866,262.27 = 341,252.62 : x
  2. Step 2: Convert to fraction form
    627,739.90/866,262.27 = 341,252.62/x
  3. Step 3: Cross multiply
    627,739.90x = 866,262.27 × 341,252.62
  4. Step 4: Simplify right side
    627,739.90x = 295,614,269,244.65
  5. Step 5: Solve for x
    x = 295,614,269,244.65/627,739.90
  6. Step 6: Final answer
    x = 470,918.40

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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.