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Finding the Fourth Proportional to 2,934,662.40, 4,401,993.60 and 804,961.80

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Solution

The fourth proportional to 2,934,662.40, 4,401,993.60 and 804,961.80 is: 1,207,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,662.40 : 4,401,993.60 = 804,961.80 : x
  2. Step 2: Convert to fraction form
    2,934,662.40/4,401,993.60 = 804,961.80/x
  3. Step 3: Cross multiply
    2,934,662.40x = 4,401,993.60 × 804,961.80
  4. Step 4: Simplify right side
    2,934,662.40x = 3,543,436,691,844.48
  5. Step 5: Solve for x
    x = 3,543,436,691,844.48/2,934,662.40
  6. Step 6: Final answer
    x = 1,207,442.70

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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.