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Finding the Fourth Proportional to 333.94, 500.92 and 141.58

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Solution

The fourth proportional to 333.94, 500.92 and 141.58 is: 212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.94 : 500.92 = 141.58 : x
  2. Step 2: Convert to fraction form
    333.94/500.92 = 141.58/x
  3. Step 3: Cross multiply
    333.94x = 500.92 × 141.58
  4. Step 4: Simplify right side
    333.94x = 70,920.25
  5. Step 5: Solve for x
    x = 70,920.25/333.94
  6. Step 6: Final answer
    x = 212.37

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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.