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Finding the Fourth Proportional to 337.52, 466.08 and 221.36

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Solution

The fourth proportional to 337.52, 466.08 and 221.36 is: 305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.52 : 466.08 = 221.36 : x
  2. Step 2: Convert to fraction form
    337.52/466.08 = 221.36/x
  3. Step 3: Cross multiply
    337.52x = 466.08 × 221.36
  4. Step 4: Simplify right side
    337.52x = 103,171.47
  5. Step 5: Solve for x
    x = 103,171.47/337.52
  6. Step 6: Final answer
    x = 305.68

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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.