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Finding the Fourth Proportional to 1,960,822.98, 2,941,707.32 and 681,244.22

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Solution

The fourth proportional to 1,960,822.98, 2,941,707.32 and 681,244.22 is: 1,022,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,822.98 : 2,941,707.32 = 681,244.22 : x
  2. Step 2: Convert to fraction form
    1,960,822.98/2,941,707.32 = 681,244.22/x
  3. Step 3: Cross multiply
    1,960,822.98x = 2,941,707.32 × 681,244.22
  4. Step 4: Simplify right side
    1,960,822.98x = 2,004,021,090,566.93
  5. Step 5: Solve for x
    x = 2,004,021,090,566.93/1,960,822.98
  6. Step 6: Final answer
    x = 1,022,030.60

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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.