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Finding the Fourth Proportional to 396,841.01, 595,089.27 and 144,037.46

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Solution

The fourth proportional to 396,841.01, 595,089.27 and 144,037.46 is: 215,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,841.01 : 595,089.27 = 144,037.46 : x
  2. Step 2: Convert to fraction form
    396,841.01/595,089.27 = 144,037.46/x
  3. Step 3: Cross multiply
    396,841.01x = 595,089.27 × 144,037.46
  4. Step 4: Simplify right side
    396,841.01x = 85,715,148,411.78
  5. Step 5: Solve for x
    x = 85,715,148,411.78/396,841.01
  6. Step 6: Final answer
    x = 215,993.68

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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.