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Finding the Fourth Proportional to 297,739.20, 446,608.80 and 185,764.80

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Solution

The fourth proportional to 297,739.20, 446,608.80 and 185,764.80 is: 278,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,739.20 : 446,608.80 = 185,764.80 : x
  2. Step 2: Convert to fraction form
    297,739.20/446,608.80 = 185,764.80/x
  3. Step 3: Cross multiply
    297,739.20x = 446,608.80 × 185,764.80
  4. Step 4: Simplify right side
    297,739.20x = 82,964,194,410.24
  5. Step 5: Solve for x
    x = 82,964,194,410.24/297,739.20
  6. Step 6: Final answer
    x = 278,647.20

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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.