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Finding the Fourth Proportional to 454,715.37, 627,496.81 and 250,760.48

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Solution

The fourth proportional to 454,715.37, 627,496.81 and 250,760.48 is: 346,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,715.37 : 627,496.81 = 250,760.48 : x
  2. Step 2: Convert to fraction form
    454,715.37/627,496.81 = 250,760.48/x
  3. Step 3: Cross multiply
    454,715.37x = 627,496.81 × 250,760.48
  4. Step 4: Simplify right side
    454,715.37x = 157,351,397,509.68
  5. Step 5: Solve for x
    x = 157,351,397,509.68/454,715.37
  6. Step 6: Final answer
    x = 346,043.72

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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.