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Finding the Fourth Proportional to 6,576,608.40, 9,855,581.40 and 4,857,334.80

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Solution

The fourth proportional to 6,576,608.40, 9,855,581.40 and 4,857,334.80 is: 7,279,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,576,608.40 : 9,855,581.40 = 4,857,334.80 : x
  2. Step 2: Convert to fraction form
    6,576,608.40/9,855,581.40 = 4,857,334.80/x
  3. Step 3: Cross multiply
    6,576,608.40x = 9,855,581.40 × 4,857,334.80
  4. Step 4: Simplify right side
    6,576,608.40x = 47,871,858,508,452.72
  5. Step 5: Solve for x
    x = 47,871,858,508,452.72/6,576,608.40
  6. Step 6: Final answer
    x = 7,279,110.39

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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.