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Finding the Fourth Proportional to 1,960,822.48, 2,941,706.57 and 681,243.72

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Solution

The fourth proportional to 1,960,822.48, 2,941,706.57 and 681,243.72 is: 1,022,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,822.48 : 2,941,706.57 = 681,243.72 : x
  2. Step 2: Convert to fraction form
    1,960,822.48/2,941,706.57 = 681,243.72/x
  3. Step 3: Cross multiply
    1,960,822.48x = 2,941,706.57 × 681,243.72
  4. Step 4: Simplify right side
    1,960,822.48x = 2,004,019,126,895.24
  5. Step 5: Solve for x
    x = 2,004,019,126,895.24/1,960,822.48
  6. Step 6: Final answer
    x = 1,022,029.86

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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.