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Finding the Fourth Proportional to 627,680.60, 941,520.92 and 627,680.60

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Solution

The fourth proportional to 627,680.60, 941,520.92 and 627,680.60 is: 941,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,680.60 : 941,520.92 = 627,680.60 : x
  2. Step 2: Convert to fraction form
    627,680.60/941,520.92 = 627,680.60/x
  3. Step 3: Cross multiply
    627,680.60x = 941,520.92 × 627,680.60
  4. Step 4: Simplify right side
    627,680.60x = 590,974,415,978.15
  5. Step 5: Solve for x
    x = 590,974,415,978.15/627,680.60
  6. Step 6: Final answer
    x = 941,520.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.