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Finding the Fourth Proportional to 3,275,480.24, 4,913,220.24 and 1,279,536.56

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Solution

The fourth proportional to 3,275,480.24, 4,913,220.24 and 1,279,536.56 is: 1,919,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275,480.24 : 4,913,220.24 = 1,279,536.56 : x
  2. Step 2: Convert to fraction form
    3,275,480.24/4,913,220.24 = 1,279,536.56/x
  3. Step 3: Cross multiply
    3,275,480.24x = 4,913,220.24 × 1,279,536.56
  4. Step 4: Simplify right side
    3,275,480.24x = 6,286,644,924,411.98
  5. Step 5: Solve for x
    x = 6,286,644,924,411.98/3,275,480.24
  6. Step 6: Final answer
    x = 1,919,304.79

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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.