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Finding the Fourth Proportional to 396,091.50, 546,607.08 and 226,325.22

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Solution

The fourth proportional to 396,091.50, 546,607.08 and 226,325.22 is: 312,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,091.50 : 546,607.08 = 226,325.22 : x
  2. Step 2: Convert to fraction form
    396,091.50/546,607.08 = 226,325.22/x
  3. Step 3: Cross multiply
    396,091.50x = 546,607.08 × 226,325.22
  4. Step 4: Simplify right side
    396,091.50x = 123,710,967,634.56
  5. Step 5: Solve for x
    x = 123,710,967,634.56/396,091.50
  6. Step 6: Final answer
    x = 312,329.27

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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.