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Finding the Fourth Proportional to 627,672.44, 866,189.96 and 341,193.44

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Solution

The fourth proportional to 627,672.44, 866,189.96 and 341,193.44 is: 470,848.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,672.44 : 866,189.96 = 341,193.44 : x
  2. Step 2: Convert to fraction form
    627,672.44/866,189.96 = 341,193.44/x
  3. Step 3: Cross multiply
    627,672.44x = 866,189.96 × 341,193.44
  4. Step 4: Simplify right side
    627,672.44x = 295,538,332,145.86
  5. Step 5: Solve for x
    x = 295,538,332,145.86/627,672.44
  6. Step 6: Final answer
    x = 470,848.03

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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.