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Finding the Fourth Proportional to 528.26, 792.18 and 162.95

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Solution

The fourth proportional to 528.26, 792.18 and 162.95 is: 244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.26 : 792.18 = 162.95 : x
  2. Step 2: Convert to fraction form
    528.26/792.18 = 162.95/x
  3. Step 3: Cross multiply
    528.26x = 792.18 × 162.95
  4. Step 4: Simplify right side
    528.26x = 129,081.77
  5. Step 5: Solve for x
    x = 129,081.77/528.26
  6. Step 6: Final answer
    x = 244.36

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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.