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Finding the Fourth Proportional to 396,285.52, 546,873.93 and 226,523.29

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Solution

The fourth proportional to 396,285.52, 546,873.93 and 226,523.29 is: 312,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,285.52 : 546,873.93 = 226,523.29 : x
  2. Step 2: Convert to fraction form
    396,285.52/546,873.93 = 226,523.29/x
  3. Step 3: Cross multiply
    396,285.52x = 546,873.93 × 226,523.29
  4. Step 4: Simplify right side
    396,285.52x = 123,879,681,838.83
  5. Step 5: Solve for x
    x = 123,879,681,838.83/396,285.52
  6. Step 6: Final answer
    x = 312,602.09

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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.