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Finding the Fourth Proportional to 693.25, 1,036.11 and 596.35

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Solution

The fourth proportional to 693.25, 1,036.11 and 596.35 is: 891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.25 : 1,036.11 = 596.35 : x
  2. Step 2: Convert to fraction form
    693.25/1,036.11 = 596.35/x
  3. Step 3: Cross multiply
    693.25x = 1,036.11 × 596.35
  4. Step 4: Simplify right side
    693.25x = 617,884.20
  5. Step 5: Solve for x
    x = 617,884.20/693.25
  6. Step 6: Final answer
    x = 891.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.