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Finding the Fourth Proportional to 695.64, 1,044.39 and 593.58

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Solution

The fourth proportional to 695.64, 1,044.39 and 593.58 is: 891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.64 : 1,044.39 = 593.58 : x
  2. Step 2: Convert to fraction form
    695.64/1,044.39 = 593.58/x
  3. Step 3: Cross multiply
    695.64x = 1,044.39 × 593.58
  4. Step 4: Simplify right side
    695.64x = 619,929.02
  5. Step 5: Solve for x
    x = 619,929.02/695.64
  6. Step 6: Final answer
    x = 891.16

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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.