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Finding the Fourth Proportional to 512,441.40, 768,662.10 and 504,568.20

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Solution

The fourth proportional to 512,441.40, 768,662.10 and 504,568.20 is: 756,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,441.40 : 768,662.10 = 504,568.20 : x
  2. Step 2: Convert to fraction form
    512,441.40/768,662.10 = 504,568.20/x
  3. Step 3: Cross multiply
    512,441.40x = 768,662.10 × 504,568.20
  4. Step 4: Simplify right side
    512,441.40x = 387,842,452,205.22
  5. Step 5: Solve for x
    x = 387,842,452,205.22/512,441.40
  6. Step 6: Final answer
    x = 756,852.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.