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Finding the Fourth Proportional to 396,373.88, 546,840.24 and 226,516.88

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Solution

The fourth proportional to 396,373.88, 546,840.24 and 226,516.88 is: 312,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,373.88 : 546,840.24 = 226,516.88 : x
  2. Step 2: Convert to fraction form
    396,373.88/546,840.24 = 226,516.88/x
  3. Step 3: Cross multiply
    396,373.88x = 546,840.24 × 226,516.88
  4. Step 4: Simplify right side
    396,373.88x = 123,868,545,023.25
  5. Step 5: Solve for x
    x = 123,868,545,023.25/396,373.88
  6. Step 6: Final answer
    x = 312,504.31

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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.