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Finding the Fourth Proportional to 3,296,323.68, 4,945,256.64 and 1,021,728.96

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Solution

The fourth proportional to 3,296,323.68, 4,945,256.64 and 1,021,728.96 is: 1,532,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296,323.68 : 4,945,256.64 = 1,021,728.96 : x
  2. Step 2: Convert to fraction form
    3,296,323.68/4,945,256.64 = 1,021,728.96/x
  3. Step 3: Cross multiply
    3,296,323.68x = 4,945,256.64 × 1,021,728.96
  4. Step 4: Simplify right side
    3,296,323.68x = 5,052,711,923,720.29
  5. Step 5: Solve for x
    x = 5,052,711,923,720.29/3,296,323.68
  6. Step 6: Final answer
    x = 1,532,832.46

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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.