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Finding the Fourth Proportional to 528.24, 792.36 and 250.56

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Solution

The fourth proportional to 528.24, 792.36 and 250.56 is: 375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.24 : 792.36 = 250.56 : x
  2. Step 2: Convert to fraction form
    528.24/792.36 = 250.56/x
  3. Step 3: Cross multiply
    528.24x = 792.36 × 250.56
  4. Step 4: Simplify right side
    528.24x = 198,533.72
  5. Step 5: Solve for x
    x = 198,533.72/528.24
  6. Step 6: Final answer
    x = 375.84

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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.