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Finding the Fourth Proportional to 355.50, 533.46 and 150.06

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Solution

The fourth proportional to 355.50, 533.46 and 150.06 is: 225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.50 : 533.46 = 150.06 : x
  2. Step 2: Convert to fraction form
    355.50/533.46 = 150.06/x
  3. Step 3: Cross multiply
    355.50x = 533.46 × 150.06
  4. Step 4: Simplify right side
    355.50x = 80,048.34
  5. Step 5: Solve for x
    x = 80,048.34/355.50
  6. Step 6: Final answer
    x = 225.17

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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.