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Finding the Fourth Proportional to 441,993.20, 663,567.96 and 262,406.48

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Solution

The fourth proportional to 441,993.20, 663,567.96 and 262,406.48 is: 393,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,993.20 : 663,567.96 = 262,406.48 : x
  2. Step 2: Convert to fraction form
    441,993.20/663,567.96 = 262,406.48/x
  3. Step 3: Cross multiply
    441,993.20x = 663,567.96 × 262,406.48
  4. Step 4: Simplify right side
    441,993.20x = 174,124,532,624.38
  5. Step 5: Solve for x
    x = 174,124,532,624.38/441,993.20
  6. Step 6: Final answer
    x = 393,952.97

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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.