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Finding the Fourth Proportional to 627,830.52, 866,441.52 and 341,344.44

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Solution

The fourth proportional to 627,830.52, 866,441.52 and 341,344.44 is: 471,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,830.52 : 866,441.52 = 341,344.44 : x
  2. Step 2: Convert to fraction form
    627,830.52/866,441.52 = 341,344.44/x
  3. Step 3: Cross multiply
    627,830.52x = 866,441.52 × 341,344.44
  4. Step 4: Simplify right side
    627,830.52x = 295,754,995,437.15
  5. Step 5: Solve for x
    x = 295,754,995,437.15/627,830.52
  6. Step 6: Final answer
    x = 471,074.58

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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.