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Finding the Fourth Proportional to 355.25, 533.32 and 295.11

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Solution

The fourth proportional to 355.25, 533.32 and 295.11 is: 443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.25 : 533.32 = 295.11 : x
  2. Step 2: Convert to fraction form
    355.25/533.32 = 295.11/x
  3. Step 3: Cross multiply
    355.25x = 533.32 × 295.11
  4. Step 4: Simplify right side
    355.25x = 157,387.33
  5. Step 5: Solve for x
    x = 157,387.33/355.25
  6. Step 6: Final answer
    x = 443.03

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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.