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Finding the Fourth Proportional to 233.79, 350.38 and 169.00

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Solution

The fourth proportional to 233.79, 350.38 and 169.00 is: 253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.79 : 350.38 = 169.00 : x
  2. Step 2: Convert to fraction form
    233.79/350.38 = 169.00/x
  3. Step 3: Cross multiply
    233.79x = 350.38 × 169.00
  4. Step 4: Simplify right side
    233.79x = 59,215.07
  5. Step 5: Solve for x
    x = 59,215.07/233.79
  6. Step 6: Final answer
    x = 253.29

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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.