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Finding the Fourth Proportional to 627,860.22, 866,442.57 and 341,380.50

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Solution

The fourth proportional to 627,860.22, 866,442.57 and 341,380.50 is: 471,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,860.22 : 866,442.57 = 341,380.50 : x
  2. Step 2: Convert to fraction form
    627,860.22/866,442.57 = 341,380.50/x
  3. Step 3: Cross multiply
    627,860.22x = 866,442.57 × 341,380.50
  4. Step 4: Simplify right side
    627,860.22x = 295,786,597,767.89
  5. Step 5: Solve for x
    x = 295,786,597,767.89/627,860.22
  6. Step 6: Final answer
    x = 471,102.62

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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.