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Finding the Fourth Proportional to 339,161.26, 468,048.04 and 186,213.56

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Solution

The fourth proportional to 339,161.26, 468,048.04 and 186,213.56 is: 256,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,161.26 : 468,048.04 = 186,213.56 : x
  2. Step 2: Convert to fraction form
    339,161.26/468,048.04 = 186,213.56/x
  3. Step 3: Cross multiply
    339,161.26x = 468,048.04 × 186,213.56
  4. Step 4: Simplify right side
    339,161.26x = 87,156,891,779.42
  5. Step 5: Solve for x
    x = 87,156,891,779.42/339,161.26
  6. Step 6: Final answer
    x = 256,977.73

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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.