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Finding the Fourth Proportional to 355.52, 533.48 and 150.07

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Solution

The fourth proportional to 355.52, 533.48 and 150.07 is: 225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.52 : 533.48 = 150.07 : x
  2. Step 2: Convert to fraction form
    355.52/533.48 = 150.07/x
  3. Step 3: Cross multiply
    355.52x = 533.48 × 150.07
  4. Step 4: Simplify right side
    355.52x = 80,059.34
  5. Step 5: Solve for x
    x = 80,059.34/355.52
  6. Step 6: Final answer
    x = 225.19

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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.