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Finding the Fourth Proportional to 1,824,589.68, 2,517,832.08 and 1,008,745.84

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Solution

The fourth proportional to 1,824,589.68, 2,517,832.08 and 1,008,745.84 is: 1,392,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,589.68 : 2,517,832.08 = 1,008,745.84 : x
  2. Step 2: Convert to fraction form
    1,824,589.68/2,517,832.08 = 1,008,745.84/x
  3. Step 3: Cross multiply
    1,824,589.68x = 2,517,832.08 × 1,008,745.84
  4. Step 4: Simplify right side
    1,824,589.68x = 2,539,852,636,518.55
  5. Step 5: Solve for x
    x = 2,539,852,636,518.55/1,824,589.68
  6. Step 6: Final answer
    x = 1,392,013.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.