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Finding the Fourth Proportional to 336,132.40, 504,198.60 and 299,390.80

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Solution

The fourth proportional to 336,132.40, 504,198.60 and 299,390.80 is: 449,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,132.40 : 504,198.60 = 299,390.80 : x
  2. Step 2: Convert to fraction form
    336,132.40/504,198.60 = 299,390.80/x
  3. Step 3: Cross multiply
    336,132.40x = 504,198.60 × 299,390.80
  4. Step 4: Simplify right side
    336,132.40x = 150,952,422,212.88
  5. Step 5: Solve for x
    x = 150,952,422,212.88/336,132.40
  6. Step 6: Final answer
    x = 449,086.20

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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.