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Finding the Fourth Proportional to 536.36, 804.46 and 262.38

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Solution

The fourth proportional to 536.36, 804.46 and 262.38 is: 393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.36 : 804.46 = 262.38 : x
  2. Step 2: Convert to fraction form
    536.36/804.46 = 262.38/x
  3. Step 3: Cross multiply
    536.36x = 804.46 × 262.38
  4. Step 4: Simplify right side
    536.36x = 211,074.21
  5. Step 5: Solve for x
    x = 211,074.21/536.36
  6. Step 6: Final answer
    x = 393.53

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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.