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Finding the Fourth Proportional to 339,359.74, 468,322.26 and 186,404.38

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Solution

The fourth proportional to 339,359.74, 468,322.26 and 186,404.38 is: 257,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,359.74 : 468,322.26 = 186,404.38 : x
  2. Step 2: Convert to fraction form
    339,359.74/468,322.26 = 186,404.38/x
  3. Step 3: Cross multiply
    339,359.74x = 468,322.26 × 186,404.38
  4. Step 4: Simplify right side
    339,359.74x = 87,297,320,515.50
  5. Step 5: Solve for x
    x = 87,297,320,515.50/339,359.74
  6. Step 6: Final answer
    x = 257,241.24

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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.