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Finding the Fourth Proportional to 1,982,629.47, 2,973,891.96 and 562,685.70

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Solution

The fourth proportional to 1,982,629.47, 2,973,891.96 and 562,685.70 is: 844,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,629.47 : 2,973,891.96 = 562,685.70 : x
  2. Step 2: Convert to fraction form
    1,982,629.47/2,973,891.96 = 562,685.70/x
  3. Step 3: Cross multiply
    1,982,629.47x = 2,973,891.96 × 562,685.70
  4. Step 4: Simplify right side
    1,982,629.47x = 1,673,366,479,236.97
  5. Step 5: Solve for x
    x = 1,673,366,479,236.97/1,982,629.47
  6. Step 6: Final answer
    x = 844,013.72

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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.