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Finding the Fourth Proportional to 957,794, 1,436,698.20 and 425,171.84

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Solution

The fourth proportional to 957,794, 1,436,698.20 and 425,171.84 is: 637,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,794 : 1,436,698.20 = 425,171.84 : x
  2. Step 2: Convert to fraction form
    957,794/1,436,698.20 = 425,171.84/x
  3. Step 3: Cross multiply
    957,794x = 1,436,698.20 × 425,171.84
  4. Step 4: Simplify right side
    957,794x = 610,843,617,218.69
  5. Step 5: Solve for x
    x = 610,843,617,218.69/957,794
  6. Step 6: Final answer
    x = 637,760.96

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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.