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Finding the Fourth Proportional to 352.37, 528.01 and 157.34

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Solution

The fourth proportional to 352.37, 528.01 and 157.34 is: 235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.37 : 528.01 = 157.34 : x
  2. Step 2: Convert to fraction form
    352.37/528.01 = 157.34/x
  3. Step 3: Cross multiply
    352.37x = 528.01 × 157.34
  4. Step 4: Simplify right side
    352.37x = 83,077.09
  5. Step 5: Solve for x
    x = 83,077.09/352.37
  6. Step 6: Final answer
    x = 235.77

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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.