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Finding the Fourth Proportional to 695.68, 1,044.03 and 560.36

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Solution

The fourth proportional to 695.68, 1,044.03 and 560.36 is: 840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.68 : 1,044.03 = 560.36 : x
  2. Step 2: Convert to fraction form
    695.68/1,044.03 = 560.36/x
  3. Step 3: Cross multiply
    695.68x = 1,044.03 × 560.36
  4. Step 4: Simplify right side
    695.68x = 585,028.54
  5. Step 5: Solve for x
    x = 585,028.54/695.68
  6. Step 6: Final answer
    x = 840.95

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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.