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Finding the Fourth Proportional to 1,412,481.02, 1,949,650.72 and 960,034.46

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Solution

The fourth proportional to 1,412,481.02, 1,949,650.72 and 960,034.46 is: 1,325,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,481.02 : 1,949,650.72 = 960,034.46 : x
  2. Step 2: Convert to fraction form
    1,412,481.02/1,949,650.72 = 960,034.46/x
  3. Step 3: Cross multiply
    1,412,481.02x = 1,949,650.72 × 960,034.46
  4. Step 4: Simplify right side
    1,412,481.02x = 1,871,731,876,163.81
  5. Step 5: Solve for x
    x = 1,871,731,876,163.81/1,412,481.02
  6. Step 6: Final answer
    x = 1,325,137.72

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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.