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Finding the Fourth Proportional to 377,057.33, 520,342.49 and 204,975.62

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Solution

The fourth proportional to 377,057.33, 520,342.49 and 204,975.62 is: 282,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,057.33 : 520,342.49 = 204,975.62 : x
  2. Step 2: Convert to fraction form
    377,057.33/520,342.49 = 204,975.62/x
  3. Step 3: Cross multiply
    377,057.33x = 520,342.49 × 204,975.62
  4. Step 4: Simplify right side
    377,057.33x = 106,657,520,873.50
  5. Step 5: Solve for x
    x = 106,657,520,873.50/377,057.33
  6. Step 6: Final answer
    x = 282,868.18

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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.