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Finding the Fourth Proportional to 341.52, 512.64 and 168.32

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Solution

The fourth proportional to 341.52, 512.64 and 168.32 is: 252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.52 : 512.64 = 168.32 : x
  2. Step 2: Convert to fraction form
    341.52/512.64 = 168.32/x
  3. Step 3: Cross multiply
    341.52x = 512.64 × 168.32
  4. Step 4: Simplify right side
    341.52x = 86,287.56
  5. Step 5: Solve for x
    x = 86,287.56/341.52
  6. Step 6: Final answer
    x = 252.66

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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.