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Finding the Fourth Proportional to 1,363.45, 2,044.15 and 704.62

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Solution

The fourth proportional to 1,363.45, 2,044.15 and 704.62 is: 1,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.45 : 2,044.15 = 704.62 : x
  2. Step 2: Convert to fraction form
    1,363.45/2,044.15 = 704.62/x
  3. Step 3: Cross multiply
    1,363.45x = 2,044.15 × 704.62
  4. Step 4: Simplify right side
    1,363.45x = 1,440,335.23
  5. Step 5: Solve for x
    x = 1,440,335.23/1,363.45
  6. Step 6: Final answer
    x = 1,056.39

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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.