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Finding the Fourth Proportional to 528.23, 792.41 and 162.92

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Solution

The fourth proportional to 528.23, 792.41 and 162.92 is: 244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.23 : 792.41 = 162.92 : x
  2. Step 2: Convert to fraction form
    528.23/792.41 = 162.92/x
  3. Step 3: Cross multiply
    528.23x = 792.41 × 162.92
  4. Step 4: Simplify right side
    528.23x = 129,094.66
  5. Step 5: Solve for x
    x = 129,094.66/528.23
  6. Step 6: Final answer
    x = 244.39

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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.