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Finding the Fourth Proportional to 376,950.45, 520,195.65 and 204,868.44

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Solution

The fourth proportional to 376,950.45, 520,195.65 and 204,868.44 is: 282,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,950.45 : 520,195.65 = 204,868.44 : x
  2. Step 2: Convert to fraction form
    376,950.45/520,195.65 = 204,868.44/x
  3. Step 3: Cross multiply
    376,950.45x = 520,195.65 × 204,868.44
  4. Step 4: Simplify right side
    376,950.45x = 106,571,671,310.29
  5. Step 5: Solve for x
    x = 106,571,671,310.29/376,950.45
  6. Step 6: Final answer
    x = 282,720.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.