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Finding the Fourth Proportional to 529.71, 794.54 and 164.49

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Solution

The fourth proportional to 529.71, 794.54 and 164.49 is: 246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.71 : 794.54 = 164.49 : x
  2. Step 2: Convert to fraction form
    529.71/794.54 = 164.49/x
  3. Step 3: Cross multiply
    529.71x = 794.54 × 164.49
  4. Step 4: Simplify right side
    529.71x = 130,693.88
  5. Step 5: Solve for x
    x = 130,693.88/529.71
  6. Step 6: Final answer
    x = 246.73

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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.