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Finding the Fourth Proportional to 376,510.50, 519,588.14 and 206,748.27

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Solution

The fourth proportional to 376,510.50, 519,588.14 and 206,748.27 is: 285,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,510.50 : 519,588.14 = 206,748.27 : x
  2. Step 2: Convert to fraction form
    376,510.50/519,588.14 = 206,748.27/x
  3. Step 3: Cross multiply
    376,510.50x = 519,588.14 × 206,748.27
  4. Step 4: Simplify right side
    376,510.50x = 107,423,948,023.78
  5. Step 5: Solve for x
    x = 107,423,948,023.78/376,510.50
  6. Step 6: Final answer
    x = 285,314.61

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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.