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Finding the Fourth Proportional to 346.12, 518.14 and 224.44

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Solution

The fourth proportional to 346.12, 518.14 and 224.44 is: 335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.12 : 518.14 = 224.44 : x
  2. Step 2: Convert to fraction form
    346.12/518.14 = 224.44/x
  3. Step 3: Cross multiply
    346.12x = 518.14 × 224.44
  4. Step 4: Simplify right side
    346.12x = 116,291.34
  5. Step 5: Solve for x
    x = 116,291.34/346.12
  6. Step 6: Final answer
    x = 335.99

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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.