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Finding the Fourth Proportional to 333.93, 501.06 and 218.34

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Solution

The fourth proportional to 333.93, 501.06 and 218.34 is: 327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.93 : 501.06 = 218.34 : x
  2. Step 2: Convert to fraction form
    333.93/501.06 = 218.34/x
  3. Step 3: Cross multiply
    333.93x = 501.06 × 218.34
  4. Step 4: Simplify right side
    333.93x = 109,401.44
  5. Step 5: Solve for x
    x = 109,401.44/333.93
  6. Step 6: Final answer
    x = 327.62

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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.