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Finding the Fourth Proportional to 297,842.80, 446,764.20 and 265,183.60

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Solution

The fourth proportional to 297,842.80, 446,764.20 and 265,183.60 is: 397,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,842.80 : 446,764.20 = 265,183.60 : x
  2. Step 2: Convert to fraction form
    297,842.80/446,764.20 = 265,183.60/x
  3. Step 3: Cross multiply
    297,842.80x = 446,764.20 × 265,183.60
  4. Step 4: Simplify right side
    297,842.80x = 118,474,538,907.12
  5. Step 5: Solve for x
    x = 118,474,538,907.12/297,842.80
  6. Step 6: Final answer
    x = 397,775.40

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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.