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Finding the Fourth Proportional to 332.68, 499.34 and 211.24

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Solution

The fourth proportional to 332.68, 499.34 and 211.24 is: 317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.68 : 499.34 = 211.24 : x
  2. Step 2: Convert to fraction form
    332.68/499.34 = 211.24/x
  3. Step 3: Cross multiply
    332.68x = 499.34 × 211.24
  4. Step 4: Simplify right side
    332.68x = 105,480.58
  5. Step 5: Solve for x
    x = 105,480.58/332.68
  6. Step 6: Final answer
    x = 317.06

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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.