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Finding the Fourth Proportional to 2,454,978.30, 3,387,736.62 and 1,352,195.09

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Solution

The fourth proportional to 2,454,978.30, 3,387,736.62 and 1,352,195.09 is: 1,865,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454,978.30 : 3,387,736.62 = 1,352,195.09 : x
  2. Step 2: Convert to fraction form
    2,454,978.30/3,387,736.62 = 1,352,195.09/x
  3. Step 3: Cross multiply
    2,454,978.30x = 3,387,736.62 × 1,352,195.09
  4. Step 4: Simplify right side
    2,454,978.30x = 4,580,880,823,777.20
  5. Step 5: Solve for x
    x = 4,580,880,823,777.20/2,454,978.30
  6. Step 6: Final answer
    x = 1,865,955.73

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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.