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Finding the Fourth Proportional to 339,516.88, 468,369.48 and 226,194.64

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Solution

The fourth proportional to 339,516.88, 468,369.48 and 226,194.64 is: 312,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,516.88 : 468,369.48 = 226,194.64 : x
  2. Step 2: Convert to fraction form
    339,516.88/468,369.48 = 226,194.64/x
  3. Step 3: Cross multiply
    339,516.88x = 468,369.48 × 226,194.64
  4. Step 4: Simplify right side
    339,516.88x = 105,942,665,915.59
  5. Step 5: Solve for x
    x = 105,942,665,915.59/339,516.88
  6. Step 6: Final answer
    x = 312,039.47

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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.