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Finding the Fourth Proportional to 454,940.50, 627,813.55 and 250,993.06

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Solution

The fourth proportional to 454,940.50, 627,813.55 and 250,993.06 is: 346,368.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,940.50 : 627,813.55 = 250,993.06 : x
  2. Step 2: Convert to fraction form
    454,940.50/627,813.55 = 250,993.06/x
  3. Step 3: Cross multiply
    454,940.50x = 627,813.55 × 250,993.06
  4. Step 4: Simplify right side
    454,940.50x = 157,576,844,023.96
  5. Step 5: Solve for x
    x = 157,576,844,023.96/454,940.50
  6. Step 6: Final answer
    x = 346,368.03

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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.