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Finding the Fourth Proportional to 695.18, 1,044.14 and 676.01

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Solution

The fourth proportional to 695.18, 1,044.14 and 676.01 is: 1,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.18 : 1,044.14 = 676.01 : x
  2. Step 2: Convert to fraction form
    695.18/1,044.14 = 676.01/x
  3. Step 3: Cross multiply
    695.18x = 1,044.14 × 676.01
  4. Step 4: Simplify right side
    695.18x = 705,845.70
  5. Step 5: Solve for x
    x = 705,845.70/695.18
  6. Step 6: Final answer
    x = 1,015.34

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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.