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Finding the Fourth Proportional to 555,863.40, 834,183.90 and 240,546.60

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Solution

The fourth proportional to 555,863.40, 834,183.90 and 240,546.60 is: 360,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,863.40 : 834,183.90 = 240,546.60 : x
  2. Step 2: Convert to fraction form
    555,863.40/834,183.90 = 240,546.60/x
  3. Step 3: Cross multiply
    555,863.40x = 834,183.90 × 240,546.60
  4. Step 4: Simplify right side
    555,863.40x = 200,660,100,919.74
  5. Step 5: Solve for x
    x = 200,660,100,919.74/555,863.40
  6. Step 6: Final answer
    x = 360,988.15

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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.