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Finding the Fourth Proportional to 536.32, 804.16 and 248

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Solution

The fourth proportional to 536.32, 804.16 and 248 is: 371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.32 : 804.16 = 248 : x
  2. Step 2: Convert to fraction form
    536.32/804.16 = 248/x
  3. Step 3: Cross multiply
    536.32x = 804.16 × 248
  4. Step 4: Simplify right side
    536.32x = 199,431.68
  5. Step 5: Solve for x
    x = 199,431.68/536.32
  6. Step 6: Final answer
    x = 371.85

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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.