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Finding the Fourth Proportional to 589.69, 884.85 and 346.69

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Solution

The fourth proportional to 589.69, 884.85 and 346.69 is: 520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.69 : 884.85 = 346.69 : x
  2. Step 2: Convert to fraction form
    589.69/884.85 = 346.69/x
  3. Step 3: Cross multiply
    589.69x = 884.85 × 346.69
  4. Step 4: Simplify right side
    589.69x = 306,768.65
  5. Step 5: Solve for x
    x = 306,768.65/589.69
  6. Step 6: Final answer
    x = 520.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.