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Finding the Fourth Proportional to 544,183.04, 814,917 and 343,899.20

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Solution

The fourth proportional to 544,183.04, 814,917 and 343,899.20 is: 514,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,183.04 : 814,917 = 343,899.20 : x
  2. Step 2: Convert to fraction form
    544,183.04/814,917 = 343,899.20/x
  3. Step 3: Cross multiply
    544,183.04x = 814,917 × 343,899.20
  4. Step 4: Simplify right side
    544,183.04x = 280,249,304,366.40
  5. Step 5: Solve for x
    x = 280,249,304,366.40/544,183.04
  6. Step 6: Final answer
    x = 514,990.88

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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.