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Finding the Fourth Proportional to 627,539.60, 866,010.12 and 341,059.92

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Solution

The fourth proportional to 627,539.60, 866,010.12 and 341,059.92 is: 470,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,539.60 : 866,010.12 = 341,059.92 : x
  2. Step 2: Convert to fraction form
    627,539.60/866,010.12 = 341,059.92/x
  3. Step 3: Cross multiply
    627,539.60x = 866,010.12 × 341,059.92
  4. Step 4: Simplify right side
    627,539.60x = 295,361,342,246.39
  5. Step 5: Solve for x
    x = 295,361,342,246.39/627,539.60
  6. Step 6: Final answer
    x = 470,665.66

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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.