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Finding the Fourth Proportional to 627,566.75, 866,039.06 and 341,086.86

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Solution

The fourth proportional to 627,566.75, 866,039.06 and 341,086.86 is: 470,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,566.75 : 866,039.06 = 341,086.86 : x
  2. Step 2: Convert to fraction form
    627,566.75/866,039.06 = 341,086.86/x
  3. Step 3: Cross multiply
    627,566.75x = 866,039.06 × 341,086.86
  4. Step 4: Simplify right side
    627,566.75x = 295,394,538,659.67
  5. Step 5: Solve for x
    x = 295,394,538,659.67/627,566.75
  6. Step 6: Final answer
    x = 470,698.20

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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.