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Finding the Fourth Proportional to 358.46, 533.99 and 336.05

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Solution

The fourth proportional to 358.46, 533.99 and 336.05 is: 500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.46 : 533.99 = 336.05 : x
  2. Step 2: Convert to fraction form
    358.46/533.99 = 336.05/x
  3. Step 3: Cross multiply
    358.46x = 533.99 × 336.05
  4. Step 4: Simplify right side
    358.46x = 179,447.34
  5. Step 5: Solve for x
    x = 179,447.34/358.46
  6. Step 6: Final answer
    x = 500.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.