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Finding the Fourth Proportional to 355.62, 533.70 and 150.29

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Solution

The fourth proportional to 355.62, 533.70 and 150.29 is: 225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.62 : 533.70 = 150.29 : x
  2. Step 2: Convert to fraction form
    355.62/533.70 = 150.29/x
  3. Step 3: Cross multiply
    355.62x = 533.70 × 150.29
  4. Step 4: Simplify right side
    355.62x = 80,207.10
  5. Step 5: Solve for x
    x = 80,207.10/355.62
  6. Step 6: Final answer
    x = 225.54

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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.