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Finding the Fourth Proportional to 980.06, 1,468.16 and 568.33

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Solution

The fourth proportional to 980.06, 1,468.16 and 568.33 is: 851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    980.06 : 1,468.16 = 568.33 : x
  2. Step 2: Convert to fraction form
    980.06/1,468.16 = 568.33/x
  3. Step 3: Cross multiply
    980.06x = 1,468.16 × 568.33
  4. Step 4: Simplify right side
    980.06x = 834,389.19
  5. Step 5: Solve for x
    x = 834,389.19/980.06
  6. Step 6: Final answer
    x = 851.37

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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.