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Finding the Fourth Proportional to 529.28, 793.83 and 164.09

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Solution

The fourth proportional to 529.28, 793.83 and 164.09 is: 246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.28 : 793.83 = 164.09 : x
  2. Step 2: Convert to fraction form
    529.28/793.83 = 164.09/x
  3. Step 3: Cross multiply
    529.28x = 793.83 × 164.09
  4. Step 4: Simplify right side
    529.28x = 130,259.56
  5. Step 5: Solve for x
    x = 130,259.56/529.28
  6. Step 6: Final answer
    x = 246.11

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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.