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Finding the Fourth Proportional to 360.45, 496.98 and 235.94

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Solution

The fourth proportional to 360.45, 496.98 and 235.94 is: 325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.45 : 496.98 = 235.94 : x
  2. Step 2: Convert to fraction form
    360.45/496.98 = 235.94/x
  3. Step 3: Cross multiply
    360.45x = 496.98 × 235.94
  4. Step 4: Simplify right side
    360.45x = 117,254.98
  5. Step 5: Solve for x
    x = 117,254.98/360.45
  6. Step 6: Final answer
    x = 325.30

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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.