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Finding the Fourth Proportional to 536.76, 805.14 and 248

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Solution

The fourth proportional to 536.76, 805.14 and 248 is: 372

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.76 : 805.14 = 248 : x
  2. Step 2: Convert to fraction form
    536.76/805.14 = 248/x
  3. Step 3: Cross multiply
    536.76x = 805.14 × 248
  4. Step 4: Simplify right side
    536.76x = 199,674.72
  5. Step 5: Solve for x
    x = 199,674.72/536.76
  6. Step 6: Final answer
    x = 372

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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.