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Finding the Fourth Proportional to 1,375,027, 1,897,537.94 and 763,180

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Solution

The fourth proportional to 1,375,027, 1,897,537.94 and 763,180 is: 1,053,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,027 : 1,897,537.94 = 763,180 : x
  2. Step 2: Convert to fraction form
    1,375,027/1,897,537.94 = 763,180/x
  3. Step 3: Cross multiply
    1,375,027x = 1,897,537.94 × 763,180
  4. Step 4: Simplify right side
    1,375,027x = 1,448,163,005,049.20
  5. Step 5: Solve for x
    x = 1,448,163,005,049.20/1,375,027
  6. Step 6: Final answer
    x = 1,053,188.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.