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Finding the Fourth Proportional to 528.33, 792.72 and 333.48

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Solution

The fourth proportional to 528.33, 792.72 and 333.48 is: 500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.33 : 792.72 = 333.48 : x
  2. Step 2: Convert to fraction form
    528.33/792.72 = 333.48/x
  3. Step 3: Cross multiply
    528.33x = 792.72 × 333.48
  4. Step 4: Simplify right side
    528.33x = 264,356.27
  5. Step 5: Solve for x
    x = 264,356.27/528.33
  6. Step 6: Final answer
    x = 500.36

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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.