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Finding the Fourth Proportional to 454,361.36, 627,022.80 and 250,419.56

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Solution

The fourth proportional to 454,361.36, 627,022.80 and 250,419.56 is: 345,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,361.36 : 627,022.80 = 250,419.56 : x
  2. Step 2: Convert to fraction form
    454,361.36/627,022.80 = 250,419.56/x
  3. Step 3: Cross multiply
    454,361.36x = 627,022.80 × 250,419.56
  4. Step 4: Simplify right side
    454,361.36x = 157,018,773,685.97
  5. Step 5: Solve for x
    x = 157,018,773,685.97/454,361.36
  6. Step 6: Final answer
    x = 345,581.27

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1.5x scale

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.