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Finding the Fourth Proportional to 528.26, 792.24 and 158.14

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Solution

The fourth proportional to 528.26, 792.24 and 158.14 is: 237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.26 : 792.24 = 158.14 : x
  2. Step 2: Convert to fraction form
    528.26/792.24 = 158.14/x
  3. Step 3: Cross multiply
    528.26x = 792.24 × 158.14
  4. Step 4: Simplify right side
    528.26x = 125,284.83
  5. Step 5: Solve for x
    x = 125,284.83/528.26
  6. Step 6: Final answer
    x = 237.17

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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.