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Finding the Fourth Proportional to 627,854.25, 866,432.76 and 341,374.33

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Solution

The fourth proportional to 627,854.25, 866,432.76 and 341,374.33 is: 471,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,854.25 : 866,432.76 = 341,374.33 : x
  2. Step 2: Convert to fraction form
    627,854.25/866,432.76 = 341,374.33/x
  3. Step 3: Cross multiply
    627,854.25x = 866,432.76 × 341,374.33
  4. Step 4: Simplify right side
    627,854.25x = 295,777,902,737.94
  5. Step 5: Solve for x
    x = 295,777,902,737.94/627,854.25
  6. Step 6: Final answer
    x = 471,093.25

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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.