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Finding the Fourth Proportional to 467.36, 699.78 and 250.28

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Solution

The fourth proportional to 467.36, 699.78 and 250.28 is: 374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.36 : 699.78 = 250.28 : x
  2. Step 2: Convert to fraction form
    467.36/699.78 = 250.28/x
  3. Step 3: Cross multiply
    467.36x = 699.78 × 250.28
  4. Step 4: Simplify right side
    467.36x = 175,140.94
  5. Step 5: Solve for x
    x = 175,140.94/467.36
  6. Step 6: Final answer
    x = 374.75

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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.