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Finding the Fourth Proportional to 980.48, 1,471.26 and 596

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Solution

The fourth proportional to 980.48, 1,471.26 and 596 is: 894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    980.48 : 1,471.26 = 596 : x
  2. Step 2: Convert to fraction form
    980.48/1,471.26 = 596/x
  3. Step 3: Cross multiply
    980.48x = 1,471.26 × 596
  4. Step 4: Simplify right side
    980.48x = 876,870.96
  5. Step 5: Solve for x
    x = 876,870.96/980.48
  6. Step 6: Final answer
    x = 894.33

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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.