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Finding the Fourth Proportional to 1,344.22, 2,016.06 and 522.62

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Solution

The fourth proportional to 1,344.22, 2,016.06 and 522.62 is: 783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.22 : 2,016.06 = 522.62 : x
  2. Step 2: Convert to fraction form
    1,344.22/2,016.06 = 522.62/x
  3. Step 3: Cross multiply
    1,344.22x = 2,016.06 × 522.62
  4. Step 4: Simplify right side
    1,344.22x = 1,053,633.28
  5. Step 5: Solve for x
    x = 1,053,633.28/1,344.22
  6. Step 6: Final answer
    x = 783.83

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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.