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Finding the Fourth Proportional to 589.87, 884.54 and 297.18

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Solution

The fourth proportional to 589.87, 884.54 and 297.18 is: 445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.87 : 884.54 = 297.18 : x
  2. Step 2: Convert to fraction form
    589.87/884.54 = 297.18/x
  3. Step 3: Cross multiply
    589.87x = 884.54 × 297.18
  4. Step 4: Simplify right side
    589.87x = 262,867.60
  5. Step 5: Solve for x
    x = 262,867.60/589.87
  6. Step 6: Final answer
    x = 445.64

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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.