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Finding the Fourth Proportional to 1,962,244.96, 2,943,732.48 and 682,799.20

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Solution

The fourth proportional to 1,962,244.96, 2,943,732.48 and 682,799.20 is: 1,024,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,244.96 : 2,943,732.48 = 682,799.20 : x
  2. Step 2: Convert to fraction form
    1,962,244.96/2,943,732.48 = 682,799.20/x
  3. Step 3: Cross multiply
    1,962,244.96x = 2,943,732.48 × 682,799.20
  4. Step 4: Simplify right side
    1,962,244.96x = 2,009,978,182,358.02
  5. Step 5: Solve for x
    x = 2,009,978,182,358.02/1,962,244.96
  6. Step 6: Final answer
    x = 1,024,325.82

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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.