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Finding the Fourth Proportional to 940,076.20, 1,410,347.58 and 440,857

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Solution

The fourth proportional to 940,076.20, 1,410,347.58 and 440,857 is: 661,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,076.20 : 1,410,347.58 = 440,857 : x
  2. Step 2: Convert to fraction form
    940,076.20/1,410,347.58 = 440,857/x
  3. Step 3: Cross multiply
    940,076.20x = 1,410,347.58 × 440,857
  4. Step 4: Simplify right side
    940,076.20x = 621,761,603,076.06
  5. Step 5: Solve for x
    x = 621,761,603,076.06/940,076.20
  6. Step 6: Final answer
    x = 661,394.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.