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Finding the Fourth Proportional to 333.34, 460.24 and 217.10

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Solution

The fourth proportional to 333.34, 460.24 and 217.10 is: 299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.34 : 460.24 = 217.10 : x
  2. Step 2: Convert to fraction form
    333.34/460.24 = 217.10/x
  3. Step 3: Cross multiply
    333.34x = 460.24 × 217.10
  4. Step 4: Simplify right side
    333.34x = 99,918.10
  5. Step 5: Solve for x
    x = 99,918.10/333.34
  6. Step 6: Final answer
    x = 299.75

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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.