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Finding the Fourth Proportional to 334.63, 462 and 229.75

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Solution

The fourth proportional to 334.63, 462 and 229.75 is: 317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.63 : 462 = 229.75 : x
  2. Step 2: Convert to fraction form
    334.63/462 = 229.75/x
  3. Step 3: Cross multiply
    334.63x = 462 × 229.75
  4. Step 4: Simplify right side
    334.63x = 106,144.50
  5. Step 5: Solve for x
    x = 106,144.50/334.63
  6. Step 6: Final answer
    x = 317.20

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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.