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Finding the Fourth Proportional to 589.65, 884.41 and 173.22

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Solution

The fourth proportional to 589.65, 884.41 and 173.22 is: 259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.65 : 884.41 = 173.22 : x
  2. Step 2: Convert to fraction form
    589.65/884.41 = 173.22/x
  3. Step 3: Cross multiply
    589.65x = 884.41 × 173.22
  4. Step 4: Simplify right side
    589.65x = 153,197.50
  5. Step 5: Solve for x
    x = 153,197.50/589.65
  6. Step 6: Final answer
    x = 259.81

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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.