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Finding the Fourth Proportional to 297,623.80, 446,435.70 and 267,556.60

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Solution

The fourth proportional to 297,623.80, 446,435.70 and 267,556.60 is: 401,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,623.80 : 446,435.70 = 267,556.60 : x
  2. Step 2: Convert to fraction form
    297,623.80/446,435.70 = 267,556.60/x
  3. Step 3: Cross multiply
    297,623.80x = 446,435.70 × 267,556.60
  4. Step 4: Simplify right side
    297,623.80x = 119,446,818,010.62
  5. Step 5: Solve for x
    x = 119,446,818,010.62/297,623.80
  6. Step 6: Final answer
    x = 401,334.90

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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.