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Finding the Fourth Proportional to 627,765.52, 866,326.27 and 341,286.70

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Solution

The fourth proportional to 627,765.52, 866,326.27 and 341,286.70 is: 470,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,765.52 : 866,326.27 = 341,286.70 : x
  2. Step 2: Convert to fraction form
    627,765.52/866,326.27 = 341,286.70/x
  3. Step 3: Cross multiply
    627,765.52x = 866,326.27 × 341,286.70
  4. Step 4: Simplify right side
    627,765.52x = 295,665,629,479.98
  5. Step 5: Solve for x
    x = 295,665,629,479.98/627,765.52
  6. Step 6: Final answer
    x = 470,981.00

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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.