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Finding the Fourth Proportional to 3,296,324.97, 4,945,254.26 and 1,021,728.69

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Solution

The fourth proportional to 3,296,324.97, 4,945,254.26 and 1,021,728.69 is: 1,532,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296,324.97 : 4,945,254.26 = 1,021,728.69 : x
  2. Step 2: Convert to fraction form
    3,296,324.97/4,945,254.26 = 1,021,728.69/x
  3. Step 3: Cross multiply
    3,296,324.97x = 4,945,254.26 × 1,021,728.69
  4. Step 4: Simplify right side
    3,296,324.97x = 5,052,708,151,678.08
  5. Step 5: Solve for x
    x = 5,052,708,151,678.08/3,296,324.97
  6. Step 6: Final answer
    x = 1,532,830.71

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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.