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Finding the Fourth Proportional to 339,500.26, 468,315.39 and 211,954.42

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Solution

The fourth proportional to 339,500.26, 468,315.39 and 211,954.42 is: 292,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,500.26 : 468,315.39 = 211,954.42 : x
  2. Step 2: Convert to fraction form
    339,500.26/468,315.39 = 211,954.42/x
  3. Step 3: Cross multiply
    339,500.26x = 468,315.39 × 211,954.42
  4. Step 4: Simplify right side
    339,500.26x = 99,261,516,864.52
  5. Step 5: Solve for x
    x = 99,261,516,864.52/339,500.26
  6. Step 6: Final answer
    x = 292,375.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.