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Finding the Fourth Proportional to 512.33, 706.59 and 346.24

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Solution

The fourth proportional to 512.33, 706.59 and 346.24 is: 477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.33 : 706.59 = 346.24 : x
  2. Step 2: Convert to fraction form
    512.33/706.59 = 346.24/x
  3. Step 3: Cross multiply
    512.33x = 706.59 × 346.24
  4. Step 4: Simplify right side
    512.33x = 244,650.60
  5. Step 5: Solve for x
    x = 244,650.60/512.33
  6. Step 6: Final answer
    x = 477.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.