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Finding the Fourth Proportional to 297,906.80, 446,860.20 and 264,729.20

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Solution

The fourth proportional to 297,906.80, 446,860.20 and 264,729.20 is: 397,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,906.80 : 446,860.20 = 264,729.20 : x
  2. Step 2: Convert to fraction form
    297,906.80/446,860.20 = 264,729.20/x
  3. Step 3: Cross multiply
    297,906.80x = 446,860.20 × 264,729.20
  4. Step 4: Simplify right side
    297,906.80x = 118,296,943,257.84
  5. Step 5: Solve for x
    x = 118,296,943,257.84/297,906.80
  6. Step 6: Final answer
    x = 397,093.80

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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.