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Finding the Fourth Proportional to 454,994.87, 627,896.27 and 251,053.36

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Solution

The fourth proportional to 454,994.87, 627,896.27 and 251,053.36 is: 346,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,994.87 : 627,896.27 = 251,053.36 : x
  2. Step 2: Convert to fraction form
    454,994.87/627,896.27 = 251,053.36/x
  3. Step 3: Cross multiply
    454,994.87x = 627,896.27 × 251,053.36
  4. Step 4: Simplify right side
    454,994.87x = 157,635,467,372.86
  5. Step 5: Solve for x
    x = 157,635,467,372.86/454,994.87
  6. Step 6: Final answer
    x = 346,455.49

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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.