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Finding the Fourth Proportional to 359.70, 496.26 and 235.32

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Solution

The fourth proportional to 359.70, 496.26 and 235.32 is: 324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.70 : 496.26 = 235.32 : x
  2. Step 2: Convert to fraction form
    359.70/496.26 = 235.32/x
  3. Step 3: Cross multiply
    359.70x = 496.26 × 235.32
  4. Step 4: Simplify right side
    359.70x = 116,779.90
  5. Step 5: Solve for x
    x = 116,779.90/359.70
  6. Step 6: Final answer
    x = 324.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.