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Finding the Fourth Proportional to 297,906.80, 446,860.20 and 262,914.80

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Solution

The fourth proportional to 297,906.80, 446,860.20 and 262,914.80 is: 394,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,906.80 : 446,860.20 = 262,914.80 : x
  2. Step 2: Convert to fraction form
    297,906.80/446,860.20 = 262,914.80/x
  3. Step 3: Cross multiply
    297,906.80x = 446,860.20 × 262,914.80
  4. Step 4: Simplify right side
    297,906.80x = 117,486,160,110.96
  5. Step 5: Solve for x
    x = 117,486,160,110.96/297,906.80
  6. Step 6: Final answer
    x = 394,372.20

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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.