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Finding the Fourth Proportional to 351.93, 527.96 and 169.32

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Solution

The fourth proportional to 351.93, 527.96 and 169.32 is: 254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.93 : 527.96 = 169.32 : x
  2. Step 2: Convert to fraction form
    351.93/527.96 = 169.32/x
  3. Step 3: Cross multiply
    351.93x = 527.96 × 169.32
  4. Step 4: Simplify right side
    351.93x = 89,393.34
  5. Step 5: Solve for x
    x = 89,393.34/351.93
  6. Step 6: Final answer
    x = 254.01

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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.