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Finding the Fourth Proportional to 360.05, 496.95 and 235.49

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Solution

The fourth proportional to 360.05, 496.95 and 235.49 is: 325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.05 : 496.95 = 235.49 : x
  2. Step 2: Convert to fraction form
    360.05/496.95 = 235.49/x
  3. Step 3: Cross multiply
    360.05x = 496.95 × 235.49
  4. Step 4: Simplify right side
    360.05x = 117,026.76
  5. Step 5: Solve for x
    x = 117,026.76/360.05
  6. Step 6: Final answer
    x = 325.03

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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.