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Finding the Fourth Proportional to 337.68, 466.04 and 221.48

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Solution

The fourth proportional to 337.68, 466.04 and 221.48 is: 305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.68 : 466.04 = 221.48 : x
  2. Step 2: Convert to fraction form
    337.68/466.04 = 221.48/x
  3. Step 3: Cross multiply
    337.68x = 466.04 × 221.48
  4. Step 4: Simplify right side
    337.68x = 103,218.54
  5. Step 5: Solve for x
    x = 103,218.54/337.68
  6. Step 6: Final answer
    x = 305.67

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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.