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Finding the Fourth Proportional to 358.99, 537.66 and 298.24

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Solution

The fourth proportional to 358.99, 537.66 and 298.24 is: 446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.99 : 537.66 = 298.24 : x
  2. Step 2: Convert to fraction form
    358.99/537.66 = 298.24/x
  3. Step 3: Cross multiply
    358.99x = 537.66 × 298.24
  4. Step 4: Simplify right side
    358.99x = 160,350.37
  5. Step 5: Solve for x
    x = 160,350.37/358.99
  6. Step 6: Final answer
    x = 446.67

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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.