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Finding the Fourth Proportional to 3,512,761, 5,269,154.46 and 853,369

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Solution

The fourth proportional to 3,512,761, 5,269,154.46 and 853,369 is: 1,280,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,761 : 5,269,154.46 = 853,369 : x
  2. Step 2: Convert to fraction form
    3,512,761/5,269,154.46 = 853,369/x
  3. Step 3: Cross multiply
    3,512,761x = 5,269,154.46 × 853,369
  4. Step 4: Simplify right side
    3,512,761x = 4,496,533,072,375.74
  5. Step 5: Solve for x
    x = 4,496,533,072,375.74/3,512,761
  6. Step 6: Final answer
    x = 1,280,056.65

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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.