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Finding the Fourth Proportional to 627,864.82, 866,429.58 and 341,385.14

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Solution

The fourth proportional to 627,864.82, 866,429.58 and 341,385.14 is: 471,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,864.82 : 866,429.58 = 341,385.14 : x
  2. Step 2: Convert to fraction form
    627,864.82/866,429.58 = 341,385.14/x
  3. Step 3: Cross multiply
    627,864.82x = 866,429.58 × 341,385.14
  4. Step 4: Simplify right side
    627,864.82x = 295,786,183,468.44
  5. Step 5: Solve for x
    x = 295,786,183,468.44/627,864.82
  6. Step 6: Final answer
    x = 471,098.51

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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.