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Finding the Fourth Proportional to 355.41, 533.33 and 150.15

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Solution

The fourth proportional to 355.41, 533.33 and 150.15 is: 225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.41 : 533.33 = 150.15 : x
  2. Step 2: Convert to fraction form
    355.41/533.33 = 150.15/x
  3. Step 3: Cross multiply
    355.41x = 533.33 × 150.15
  4. Step 4: Simplify right side
    355.41x = 80,079.50
  5. Step 5: Solve for x
    x = 80,079.50/355.41
  6. Step 6: Final answer
    x = 225.32

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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.