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Finding the Fourth Proportional to 496.67, 744.59 and 188.34

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Solution

The fourth proportional to 496.67, 744.59 and 188.34 is: 282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.67 : 744.59 = 188.34 : x
  2. Step 2: Convert to fraction form
    496.67/744.59 = 188.34/x
  3. Step 3: Cross multiply
    496.67x = 744.59 × 188.34
  4. Step 4: Simplify right side
    496.67x = 140,237.95
  5. Step 5: Solve for x
    x = 140,237.95/496.67
  6. Step 6: Final answer
    x = 282.36

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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.