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Finding the Fourth Proportional to 396,124.75, 546,653.06 and 226,358.47

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Solution

The fourth proportional to 396,124.75, 546,653.06 and 226,358.47 is: 312,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,124.75 : 546,653.06 = 226,358.47 : x
  2. Step 2: Convert to fraction form
    396,124.75/546,653.06 = 226,358.47/x
  3. Step 3: Cross multiply
    396,124.75x = 546,653.06 × 226,358.47
  4. Step 4: Simplify right side
    396,124.75x = 123,739,550,282.42
  5. Step 5: Solve for x
    x = 123,739,550,282.42/396,124.75
  6. Step 6: Final answer
    x = 312,375.21

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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.