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Finding the Fourth Proportional to 337.78, 466.06 and 238.08

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Solution

The fourth proportional to 337.78, 466.06 and 238.08 is: 328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.78 : 466.06 = 238.08 : x
  2. Step 2: Convert to fraction form
    337.78/466.06 = 238.08/x
  3. Step 3: Cross multiply
    337.78x = 466.06 × 238.08
  4. Step 4: Simplify right side
    337.78x = 110,959.56
  5. Step 5: Solve for x
    x = 110,959.56/337.78
  6. Step 6: Final answer
    x = 328.50

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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.