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Finding the Fourth Proportional to 377,958.50, 521,582.76 and 208,192.62

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Solution

The fourth proportional to 377,958.50, 521,582.76 and 208,192.62 is: 287,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,958.50 : 521,582.76 = 208,192.62 : x
  2. Step 2: Convert to fraction form
    377,958.50/521,582.76 = 208,192.62/x
  3. Step 3: Cross multiply
    377,958.50x = 521,582.76 × 208,192.62
  4. Step 4: Simplify right side
    377,958.50x = 108,589,682,062.12
  5. Step 5: Solve for x
    x = 108,589,682,062.12/377,958.50
  6. Step 6: Final answer
    x = 287,305.84

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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.