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Finding the Fourth Proportional to 589.99, 884.78 and 297.38

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Solution

The fourth proportional to 589.99, 884.78 and 297.38 is: 445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.99 : 884.78 = 297.38 : x
  2. Step 2: Convert to fraction form
    589.99/884.78 = 297.38/x
  3. Step 3: Cross multiply
    589.99x = 884.78 × 297.38
  4. Step 4: Simplify right side
    589.99x = 263,109.97
  5. Step 5: Solve for x
    x = 263,109.97/589.99
  6. Step 6: Final answer
    x = 445.96

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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.