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Finding the Fourth Proportional to 336,164.40, 504,246.60 and 299,422.80

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Solution

The fourth proportional to 336,164.40, 504,246.60 and 299,422.80 is: 449,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,164.40 : 504,246.60 = 299,422.80 : x
  2. Step 2: Convert to fraction form
    336,164.40/504,246.60 = 299,422.80/x
  3. Step 3: Cross multiply
    336,164.40x = 504,246.60 × 299,422.80
  4. Step 4: Simplify right side
    336,164.40x = 150,982,928,862.48
  5. Step 5: Solve for x
    x = 150,982,928,862.48/336,164.40
  6. Step 6: Final answer
    x = 449,134.20

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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.