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Finding the Fourth Proportional to 627,793.40, 941,617.20 and 178,583.60

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Solution

The fourth proportional to 627,793.40, 941,617.20 and 178,583.60 is: 267,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,793.40 : 941,617.20 = 178,583.60 : x
  2. Step 2: Convert to fraction form
    627,793.40/941,617.20 = 178,583.60/x
  3. Step 3: Cross multiply
    627,793.40x = 941,617.20 × 178,583.60
  4. Step 4: Simplify right side
    627,793.40x = 168,157,389,397.92
  5. Step 5: Solve for x
    x = 168,157,389,397.92/627,793.40
  6. Step 6: Final answer
    x = 267,854.66

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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.