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Finding the Fourth Proportional to 799,291, 1,199,528.28 and 378,568.12

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Solution

The fourth proportional to 799,291, 1,199,528.28 and 378,568.12 is: 568,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,291 : 1,199,528.28 = 378,568.12 : x
  2. Step 2: Convert to fraction form
    799,291/1,199,528.28 = 378,568.12/x
  3. Step 3: Cross multiply
    799,291x = 1,199,528.28 × 378,568.12
  4. Step 4: Simplify right side
    799,291x = 454,103,165,846.43
  5. Step 5: Solve for x
    x = 454,103,165,846.43/799,291
  6. Step 6: Final answer
    x = 568,132.46

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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.