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Finding the Fourth Proportional to 529.80, 794.46 and 164.52

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Solution

The fourth proportional to 529.80, 794.46 and 164.52 is: 246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.80 : 794.46 = 164.52 : x
  2. Step 2: Convert to fraction form
    529.80/794.46 = 164.52/x
  3. Step 3: Cross multiply
    529.80x = 794.46 × 164.52
  4. Step 4: Simplify right side
    529.80x = 130,704.56
  5. Step 5: Solve for x
    x = 130,704.56/529.80
  6. Step 6: Final answer
    x = 246.71

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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.