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Finding the Fourth Proportional to 512.02, 766.68 and 350.02

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Solution

The fourth proportional to 512.02, 766.68 and 350.02 is: 524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.02 : 766.68 = 350.02 : x
  2. Step 2: Convert to fraction form
    512.02/766.68 = 350.02/x
  3. Step 3: Cross multiply
    512.02x = 766.68 × 350.02
  4. Step 4: Simplify right side
    512.02x = 268,353.33
  5. Step 5: Solve for x
    x = 268,353.33/512.02
  6. Step 6: Final answer
    x = 524.11

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Why These Related Problems?

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