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Finding the Fourth Proportional to 2,795,889.72, 4,194,714.84 and 998,733.48

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Solution

The fourth proportional to 2,795,889.72, 4,194,714.84 and 998,733.48 is: 1,498,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795,889.72 : 4,194,714.84 = 998,733.48 : x
  2. Step 2: Convert to fraction form
    2,795,889.72/4,194,714.84 = 998,733.48/x
  3. Step 3: Cross multiply
    2,795,889.72x = 4,194,714.84 × 998,733.48
  4. Step 4: Simplify right side
    2,795,889.72x = 4,189,402,149,760.84
  5. Step 5: Solve for x
    x = 4,189,402,149,760.84/2,795,889.72
  6. Step 6: Final answer
    x = 1,498,414.66

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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.