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Finding the Fourth Proportional to 627,546.48, 866,020.88 and 341,066.64

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Solution

The fourth proportional to 627,546.48, 866,020.88 and 341,066.64 is: 470,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,546.48 : 866,020.88 = 341,066.64 : x
  2. Step 2: Convert to fraction form
    627,546.48/866,020.88 = 341,066.64/x
  3. Step 3: Cross multiply
    627,546.48x = 866,020.88 × 341,066.64
  4. Step 4: Simplify right side
    627,546.48x = 295,370,831,711.44
  5. Step 5: Solve for x
    x = 295,370,831,711.44/627,546.48
  6. Step 6: Final answer
    x = 470,675.63

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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.