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Finding the Fourth Proportional to 341.52, 511.36 and 179.28

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Solution

The fourth proportional to 341.52, 511.36 and 179.28 is: 268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.52 : 511.36 = 179.28 : x
  2. Step 2: Convert to fraction form
    341.52/511.36 = 179.28/x
  3. Step 3: Cross multiply
    341.52x = 511.36 × 179.28
  4. Step 4: Simplify right side
    341.52x = 91,676.62
  5. Step 5: Solve for x
    x = 91,676.62/341.52
  6. Step 6: Final answer
    x = 268.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.