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Finding the Fourth Proportional to 662,906.60, 994,359.90 and 662,906.60

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Solution

The fourth proportional to 662,906.60, 994,359.90 and 662,906.60 is: 994,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,906.60 : 994,359.90 = 662,906.60 : x
  2. Step 2: Convert to fraction form
    662,906.60/994,359.90 = 662,906.60/x
  3. Step 3: Cross multiply
    662,906.60x = 994,359.90 × 662,906.60
  4. Step 4: Simplify right side
    662,906.60x = 659,167,740,485.34
  5. Step 5: Solve for x
    x = 659,167,740,485.34/662,906.60
  6. Step 6: Final answer
    x = 994,359.90

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Double scale
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Similar ratio
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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.