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Finding the Fourth Proportional to 1,082.68, 1,620.54 and 594.52

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Solution

The fourth proportional to 1,082.68, 1,620.54 and 594.52 is: 889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.68 : 1,620.54 = 594.52 : x
  2. Step 2: Convert to fraction form
    1,082.68/1,620.54 = 594.52/x
  3. Step 3: Cross multiply
    1,082.68x = 1,620.54 × 594.52
  4. Step 4: Simplify right side
    1,082.68x = 963,443.44
  5. Step 5: Solve for x
    x = 963,443.44/1,082.68
  6. Step 6: Final answer
    x = 889.87

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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.