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Finding the Fourth Proportional to 360.42, 496.98 and 235.92

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Solution

The fourth proportional to 360.42, 496.98 and 235.92 is: 325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.42 : 496.98 = 235.92 : x
  2. Step 2: Convert to fraction form
    360.42/496.98 = 235.92/x
  3. Step 3: Cross multiply
    360.42x = 496.98 × 235.92
  4. Step 4: Simplify right side
    360.42x = 117,247.52
  5. Step 5: Solve for x
    x = 117,247.52/360.42
  6. Step 6: Final answer
    x = 325.31

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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.