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Finding the Fourth Proportional to 1,608.44, 2,412.85 and 568.23

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Solution

The fourth proportional to 1,608.44, 2,412.85 and 568.23 is: 852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.44 : 2,412.85 = 568.23 : x
  2. Step 2: Convert to fraction form
    1,608.44/2,412.85 = 568.23/x
  3. Step 3: Cross multiply
    1,608.44x = 2,412.85 × 568.23
  4. Step 4: Simplify right side
    1,608.44x = 1,371,053.76
  5. Step 5: Solve for x
    x = 1,371,053.76/1,608.44
  6. Step 6: Final answer
    x = 852.41

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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.