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Finding the Fourth Proportional to 627,994.36, 866,638.02 and 341,517.16

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Solution

The fourth proportional to 627,994.36, 866,638.02 and 341,517.16 is: 471,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,994.36 : 866,638.02 = 341,517.16 : x
  2. Step 2: Convert to fraction form
    627,994.36/866,638.02 = 341,517.16/x
  3. Step 3: Cross multiply
    627,994.36x = 866,638.02 × 341,517.16
  4. Step 4: Simplify right side
    627,994.36x = 295,971,755,338.42
  5. Step 5: Solve for x
    x = 295,971,755,338.42/627,994.36
  6. Step 6: Final answer
    x = 471,296.84

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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.