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Finding the Fourth Proportional to 1,698.74, 2,548.19 and 466.28

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Solution

The fourth proportional to 1,698.74, 2,548.19 and 466.28 is: 699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.74 : 2,548.19 = 466.28 : x
  2. Step 2: Convert to fraction form
    1,698.74/2,548.19 = 466.28/x
  3. Step 3: Cross multiply
    1,698.74x = 2,548.19 × 466.28
  4. Step 4: Simplify right side
    1,698.74x = 1,188,170.03
  5. Step 5: Solve for x
    x = 1,188,170.03/1,698.74
  6. Step 6: Final answer
    x = 699.44

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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.