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Finding the Fourth Proportional to 358.96, 537.60 and 329.92

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Solution

The fourth proportional to 358.96, 537.60 and 329.92 is: 494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.96 : 537.60 = 329.92 : x
  2. Step 2: Convert to fraction form
    358.96/537.60 = 329.92/x
  3. Step 3: Cross multiply
    358.96x = 537.60 × 329.92
  4. Step 4: Simplify right side
    358.96x = 177,364.99
  5. Step 5: Solve for x
    x = 177,364.99/358.96
  6. Step 6: Final answer
    x = 494.11

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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.