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Finding the Fourth Proportional to 396,627.21, 594,350.01 and 219,184.92

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Solution

The fourth proportional to 396,627.21, 594,350.01 and 219,184.92 is: 328,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,627.21 : 594,350.01 = 219,184.92 : x
  2. Step 2: Convert to fraction form
    396,627.21/594,350.01 = 219,184.92/x
  3. Step 3: Cross multiply
    396,627.21x = 594,350.01 × 219,184.92
  4. Step 4: Simplify right side
    396,627.21x = 130,272,559,393.85
  5. Step 5: Solve for x
    x = 130,272,559,393.85/396,627.21
  6. Step 6: Final answer
    x = 328,450.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.