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Finding the Fourth Proportional to 3,512,760, 5,269,152.96 and 853,368

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Solution

The fourth proportional to 3,512,760, 5,269,152.96 and 853,368 is: 1,280,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,760 : 5,269,152.96 = 853,368 : x
  2. Step 2: Convert to fraction form
    3,512,760/5,269,152.96 = 853,368/x
  3. Step 3: Cross multiply
    3,512,760x = 5,269,152.96 × 853,368
  4. Step 4: Simplify right side
    3,512,760x = 4,496,526,523,169.28
  5. Step 5: Solve for x
    x = 4,496,526,523,169.28/3,512,760
  6. Step 6: Final answer
    x = 1,280,055.15

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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.