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Finding the Fourth Proportional to 359,664.12, 496,262.37 and 206,672.75

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Solution

The fourth proportional to 359,664.12, 496,262.37 and 206,672.75 is: 285,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,664.12 : 496,262.37 = 206,672.75 : x
  2. Step 2: Convert to fraction form
    359,664.12/496,262.37 = 206,672.75/x
  3. Step 3: Cross multiply
    359,664.12x = 496,262.37 × 206,672.75
  4. Step 4: Simplify right side
    359,664.12x = 102,563,906,248.11
  5. Step 5: Solve for x
    x = 102,563,906,248.11/359,664.12
  6. Step 6: Final answer
    x = 285,165.80

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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.