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Finding the Fourth Proportional to 2,653,837.84, 3,978,399.64 and 1,034,231.52

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Solution

The fourth proportional to 2,653,837.84, 3,978,399.64 and 1,034,231.52 is: 1,550,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,837.84 : 3,978,399.64 = 1,034,231.52 : x
  2. Step 2: Convert to fraction form
    2,653,837.84/3,978,399.64 = 1,034,231.52/x
  3. Step 3: Cross multiply
    2,653,837.84x = 3,978,399.64 × 1,034,231.52
  4. Step 4: Simplify right side
    2,653,837.84x = 4,114,586,306,844.65
  5. Step 5: Solve for x
    x = 4,114,586,306,844.65/2,653,837.84
  6. Step 6: Final answer
    x = 1,550,428.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.