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Finding the Fourth Proportional to 3,764,657.82, 5,644,490.31 and 1,368,217.74

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Solution

The fourth proportional to 3,764,657.82, 5,644,490.31 and 1,368,217.74 is: 2,051,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764,657.82 : 5,644,490.31 = 1,368,217.74 : x
  2. Step 2: Convert to fraction form
    3,764,657.82/5,644,490.31 = 1,368,217.74/x
  3. Step 3: Cross multiply
    3,764,657.82x = 5,644,490.31 × 1,368,217.74
  4. Step 4: Simplify right side
    3,764,657.82x = 7,722,891,775,400.10
  5. Step 5: Solve for x
    x = 7,722,891,775,400.10/3,764,657.82
  6. Step 6: Final answer
    x = 2,051,419.32

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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.