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Finding the Fourth Proportional to 627,766.27, 866,327.30 and 341,287.45

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Solution

The fourth proportional to 627,766.27, 866,327.30 and 341,287.45 is: 470,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,766.27 : 866,327.30 = 341,287.45 : x
  2. Step 2: Convert to fraction form
    627,766.27/866,327.30 = 341,287.45/x
  3. Step 3: Cross multiply
    627,766.27x = 866,327.30 × 341,287.45
  4. Step 4: Simplify right side
    627,766.27x = 295,666,631,603.97
  5. Step 5: Solve for x
    x = 295,666,631,603.97/627,766.27
  6. Step 6: Final answer
    x = 470,982.03

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1.5x scale

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.