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Finding the Fourth Proportional to 297,842.40, 446,763.60 and 267,429.60

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Solution

The fourth proportional to 297,842.40, 446,763.60 and 267,429.60 is: 401,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,842.40 : 446,763.60 = 267,429.60 : x
  2. Step 2: Convert to fraction form
    297,842.40/446,763.60 = 267,429.60/x
  3. Step 3: Cross multiply
    297,842.40x = 446,763.60 × 267,429.60
  4. Step 4: Simplify right side
    297,842.40x = 119,477,810,842.56
  5. Step 5: Solve for x
    x = 119,477,810,842.56/297,842.40
  6. Step 6: Final answer
    x = 401,144.40

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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.