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Finding the Fourth Proportional to 589.73, 884.60 and 243.11

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Solution

The fourth proportional to 589.73, 884.60 and 243.11 is: 364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.73 : 884.60 = 243.11 : x
  2. Step 2: Convert to fraction form
    589.73/884.60 = 243.11/x
  3. Step 3: Cross multiply
    589.73x = 884.60 × 243.11
  4. Step 4: Simplify right side
    589.73x = 215,055.11
  5. Step 5: Solve for x
    x = 215,055.11/589.73
  6. Step 6: Final answer
    x = 364.67

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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.