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Finding the Fourth Proportional to 632,781, 949,183.38 and 295,729.20

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Solution

The fourth proportional to 632,781, 949,183.38 and 295,729.20 is: 443,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,781 : 949,183.38 = 295,729.20 : x
  2. Step 2: Convert to fraction form
    632,781/949,183.38 = 295,729.20/x
  3. Step 3: Cross multiply
    632,781x = 949,183.38 × 295,729.20
  4. Step 4: Simplify right side
    632,781x = 280,701,241,620.70
  5. Step 5: Solve for x
    x = 280,701,241,620.70/632,781
  6. Step 6: Final answer
    x = 443,599.35

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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.