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Finding the Fourth Proportional to 352.93, 529.37 and 157.93

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Solution

The fourth proportional to 352.93, 529.37 and 157.93 is: 236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.93 : 529.37 = 157.93 : x
  2. Step 2: Convert to fraction form
    352.93/529.37 = 157.93/x
  3. Step 3: Cross multiply
    352.93x = 529.37 × 157.93
  4. Step 4: Simplify right side
    352.93x = 83,602.18
  5. Step 5: Solve for x
    x = 83,602.18/352.93
  6. Step 6: Final answer
    x = 236.88

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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.