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Finding the Fourth Proportional to 454,956.78, 627,846.75 and 251,016.60

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Solution

The fourth proportional to 454,956.78, 627,846.75 and 251,016.60 is: 346,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,956.78 : 627,846.75 = 251,016.60 : x
  2. Step 2: Convert to fraction form
    454,956.78/627,846.75 = 251,016.60/x
  3. Step 3: Cross multiply
    454,956.78x = 627,846.75 × 251,016.60
  4. Step 4: Simplify right side
    454,956.78x = 157,599,956,506.05
  5. Step 5: Solve for x
    x = 157,599,956,506.05/454,956.78
  6. Step 6: Final answer
    x = 346,406.44

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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.