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Finding the Fourth Proportional to 533.25, 736.07 and 416.61

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Solution

The fourth proportional to 533.25, 736.07 and 416.61 is: 575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.25 : 736.07 = 416.61 : x
  2. Step 2: Convert to fraction form
    533.25/736.07 = 416.61/x
  3. Step 3: Cross multiply
    533.25x = 736.07 × 416.61
  4. Step 4: Simplify right side
    533.25x = 306,652.04
  5. Step 5: Solve for x
    x = 306,652.04/533.25
  6. Step 6: Final answer
    x = 575.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.