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Finding the Fourth Proportional to 662,157.80, 993,236.70 and 262,893.80

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Solution

The fourth proportional to 662,157.80, 993,236.70 and 262,893.80 is: 394,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,157.80 : 993,236.70 = 262,893.80 : x
  2. Step 2: Convert to fraction form
    662,157.80/993,236.70 = 262,893.80/x
  3. Step 3: Cross multiply
    662,157.80x = 993,236.70 × 262,893.80
  4. Step 4: Simplify right side
    662,157.80x = 261,115,770,362.46
  5. Step 5: Solve for x
    x = 261,115,770,362.46/662,157.80
  6. Step 6: Final answer
    x = 394,340.70

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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.