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Finding the Fourth Proportional to 283.33, 425.40 and 174.79

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Solution

The fourth proportional to 283.33, 425.40 and 174.79 is: 262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.33 : 425.40 = 174.79 : x
  2. Step 2: Convert to fraction form
    283.33/425.40 = 174.79/x
  3. Step 3: Cross multiply
    283.33x = 425.40 × 174.79
  4. Step 4: Simplify right side
    283.33x = 74,355.67
  5. Step 5: Solve for x
    x = 74,355.67/283.33
  6. Step 6: Final answer
    x = 262.43

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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.