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Finding the Fourth Proportional to 454,205.44, 680,665.72 and 251,891.08

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Solution

The fourth proportional to 454,205.44, 680,665.72 and 251,891.08 is: 377,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,205.44 : 680,665.72 = 251,891.08 : x
  2. Step 2: Convert to fraction form
    454,205.44/680,665.72 = 251,891.08/x
  3. Step 3: Cross multiply
    454,205.44x = 680,665.72 × 251,891.08
  4. Step 4: Simplify right side
    454,205.44x = 171,453,623,329.78
  5. Step 5: Solve for x
    x = 171,453,623,329.78/454,205.44
  6. Step 6: Final answer
    x = 377,480.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.