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Finding the Fourth Proportional to 6,342,608.40, 9,494,472.60 and 3,494,000.40

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Solution

The fourth proportional to 6,342,608.40, 9,494,472.60 and 3,494,000.40 is: 5,230,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342,608.40 : 9,494,472.60 = 3,494,000.40 : x
  2. Step 2: Convert to fraction form
    6,342,608.40/9,494,472.60 = 3,494,000.40/x
  3. Step 3: Cross multiply
    6,342,608.40x = 9,494,472.60 × 3,494,000.40
  4. Step 4: Simplify right side
    6,342,608.40x = 33,173,691,062,189.04
  5. Step 5: Solve for x
    x = 33,173,691,062,189.04/6,342,608.40
  6. Step 6: Final answer
    x = 5,230,291.54

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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.