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Finding the Fourth Proportional to 2,914,865.22, 4,372,173.90 and 995,948.49

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Solution

The fourth proportional to 2,914,865.22, 4,372,173.90 and 995,948.49 is: 1,493,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,865.22 : 4,372,173.90 = 995,948.49 : x
  2. Step 2: Convert to fraction form
    2,914,865.22/4,372,173.90 = 995,948.49/x
  3. Step 3: Cross multiply
    2,914,865.22x = 4,372,173.90 × 995,948.49
  4. Step 4: Simplify right side
    2,914,865.22x = 4,354,459,993,722.41
  5. Step 5: Solve for x
    x = 4,354,459,993,722.41/2,914,865.22
  6. Step 6: Final answer
    x = 1,493,880.39

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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.