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Finding the Fourth Proportional to 396,302.56, 546,897.54 and 226,540.34

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Solution

The fourth proportional to 396,302.56, 546,897.54 and 226,540.34 is: 312,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,302.56 : 546,897.54 = 226,540.34 : x
  2. Step 2: Convert to fraction form
    396,302.56/546,897.54 = 226,540.34/x
  3. Step 3: Cross multiply
    396,302.56x = 546,897.54 × 226,540.34
  4. Step 4: Simplify right side
    396,302.56x = 123,894,354,656.76
  5. Step 5: Solve for x
    x = 123,894,354,656.76/396,302.56
  6. Step 6: Final answer
    x = 312,625.67

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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.