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Finding the Fourth Proportional to 1,348.38, 2,022.84 and 482.63

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Solution

The fourth proportional to 1,348.38, 2,022.84 and 482.63 is: 724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.38 : 2,022.84 = 482.63 : x
  2. Step 2: Convert to fraction form
    1,348.38/2,022.84 = 482.63/x
  3. Step 3: Cross multiply
    1,348.38x = 2,022.84 × 482.63
  4. Step 4: Simplify right side
    1,348.38x = 976,273.16
  5. Step 5: Solve for x
    x = 976,273.16/1,348.38
  6. Step 6: Final answer
    x = 724.03

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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.