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Finding the Fourth Proportional to 283.22, 424.45 and 246.50

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Solution

The fourth proportional to 283.22, 424.45 and 246.50 is: 369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.22 : 424.45 = 246.50 : x
  2. Step 2: Convert to fraction form
    283.22/424.45 = 246.50/x
  3. Step 3: Cross multiply
    283.22x = 424.45 × 246.50
  4. Step 4: Simplify right side
    283.22x = 104,624.80
  5. Step 5: Solve for x
    x = 104,624.80/283.22
  6. Step 6: Final answer
    x = 369.42

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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.