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Finding the Fourth Proportional to 333.39, 500.44 and 282.66

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Solution

The fourth proportional to 333.39, 500.44 and 282.66 is: 424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.39 : 500.44 = 282.66 : x
  2. Step 2: Convert to fraction form
    333.39/500.44 = 282.66/x
  3. Step 3: Cross multiply
    333.39x = 500.44 × 282.66
  4. Step 4: Simplify right side
    333.39x = 141,451.87
  5. Step 5: Solve for x
    x = 141,451.87/333.39
  6. Step 6: Final answer
    x = 424.29

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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.