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Finding the Fourth Proportional to 336.46, 504 and 206.05

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Solution

The fourth proportional to 336.46, 504 and 206.05 is: 308.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.46 : 504 = 206.05 : x
  2. Step 2: Convert to fraction form
    336.46/504 = 206.05/x
  3. Step 3: Cross multiply
    336.46x = 504 × 206.05
  4. Step 4: Simplify right side
    336.46x = 103,849.20
  5. Step 5: Solve for x
    x = 103,849.20/336.46
  6. Step 6: Final answer
    x = 308.65

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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.