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Finding the Fourth Proportional to 2,762,714, 4,144,305.72 and 768,170

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Solution

The fourth proportional to 2,762,714, 4,144,305.72 and 768,170 is: 1,152,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,714 : 4,144,305.72 = 768,170 : x
  2. Step 2: Convert to fraction form
    2,762,714/4,144,305.72 = 768,170/x
  3. Step 3: Cross multiply
    2,762,714x = 4,144,305.72 × 768,170
  4. Step 4: Simplify right side
    2,762,714x = 3,183,531,324,932.40
  5. Step 5: Solve for x
    x = 3,183,531,324,932.40/2,762,714
  6. Step 6: Final answer
    x = 1,152,320.26

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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.