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Finding the Fourth Proportional to 529.51, 794.14 and 164.31

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Solution

The fourth proportional to 529.51, 794.14 and 164.31 is: 246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.51 : 794.14 = 164.31 : x
  2. Step 2: Convert to fraction form
    529.51/794.14 = 164.31/x
  3. Step 3: Cross multiply
    529.51x = 794.14 × 164.31
  4. Step 4: Simplify right side
    529.51x = 130,485.14
  5. Step 5: Solve for x
    x = 130,485.14/529.51
  6. Step 6: Final answer
    x = 246.43

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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.