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Finding the Fourth Proportional to 536.34, 739.98 and 303.42

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Solution

The fourth proportional to 536.34, 739.98 and 303.42 is: 418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.34 : 739.98 = 303.42 : x
  2. Step 2: Convert to fraction form
    536.34/739.98 = 303.42/x
  3. Step 3: Cross multiply
    536.34x = 739.98 × 303.42
  4. Step 4: Simplify right side
    536.34x = 224,524.73
  5. Step 5: Solve for x
    x = 224,524.73/536.34
  6. Step 6: Final answer
    x = 418.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.