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Finding the Fourth Proportional to 454,969.58, 627,856.26 and 251,033.20

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Solution

The fourth proportional to 454,969.58, 627,856.26 and 251,033.20 is: 346,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,969.58 : 627,856.26 = 251,033.20 : x
  2. Step 2: Convert to fraction form
    454,969.58/627,856.26 = 251,033.20/x
  3. Step 3: Cross multiply
    454,969.58x = 627,856.26 × 251,033.20
  4. Step 4: Simplify right side
    454,969.58x = 157,612,766,754.72
  5. Step 5: Solve for x
    x = 157,612,766,754.72/454,969.58
  6. Step 6: Final answer
    x = 346,424.84

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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.