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Finding the Fourth Proportional to 355.61, 533.46 and 150.14

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Solution

The fourth proportional to 355.61, 533.46 and 150.14 is: 225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.61 : 533.46 = 150.14 : x
  2. Step 2: Convert to fraction form
    355.61/533.46 = 150.14/x
  3. Step 3: Cross multiply
    355.61x = 533.46 × 150.14
  4. Step 4: Simplify right side
    355.61x = 80,092.93
  5. Step 5: Solve for x
    x = 80,092.93/355.61
  6. Step 6: Final answer
    x = 225.23

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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.