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Finding the Fourth Proportional to 450,620.96, 675,952.16 and 250,790.78

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Solution

The fourth proportional to 450,620.96, 675,952.16 and 250,790.78 is: 376,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,620.96 : 675,952.16 = 250,790.78 : x
  2. Step 2: Convert to fraction form
    450,620.96/675,952.16 = 250,790.78/x
  3. Step 3: Cross multiply
    450,620.96x = 675,952.16 × 250,790.78
  4. Step 4: Simplify right side
    450,620.96x = 169,522,569,885.01
  5. Step 5: Solve for x
    x = 169,522,569,885.01/450,620.96
  6. Step 6: Final answer
    x = 376,197.71

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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.