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Finding the Fourth Proportional to 376,568.34, 519,673.36 and 206,806.10

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Solution

The fourth proportional to 376,568.34, 519,673.36 and 206,806.10 is: 285,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,568.34 : 519,673.36 = 206,806.10 : x
  2. Step 2: Convert to fraction form
    376,568.34/519,673.36 = 206,806.10/x
  3. Step 3: Cross multiply
    376,568.34x = 519,673.36 × 206,806.10
  4. Step 4: Simplify right side
    376,568.34x = 107,471,620,855.50
  5. Step 5: Solve for x
    x = 107,471,620,855.50/376,568.34
  6. Step 6: Final answer
    x = 285,397.39

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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.