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Finding the Fourth Proportional to 263,546.82, 395,482.89 and 103,594.77

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Solution

The fourth proportional to 263,546.82, 395,482.89 and 103,594.77 is: 155,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,546.82 : 395,482.89 = 103,594.77 : x
  2. Step 2: Convert to fraction form
    263,546.82/395,482.89 = 103,594.77/x
  3. Step 3: Cross multiply
    263,546.82x = 395,482.89 × 103,594.77
  4. Step 4: Simplify right side
    263,546.82x = 40,969,957,545.42
  5. Step 5: Solve for x
    x = 40,969,957,545.42/263,546.82
  6. Step 6: Final answer
    x = 155,456.09

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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.