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Finding the Fourth Proportional to 476,022.52, 656,372.46 and 303,709.96

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Solution

The fourth proportional to 476,022.52, 656,372.46 and 303,709.96 is: 418,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,022.52 : 656,372.46 = 303,709.96 : x
  2. Step 2: Convert to fraction form
    476,022.52/656,372.46 = 303,709.96/x
  3. Step 3: Cross multiply
    476,022.52x = 656,372.46 × 303,709.96
  4. Step 4: Simplify right side
    476,022.52x = 199,346,853,571.70
  5. Step 5: Solve for x
    x = 199,346,853,571.70/476,022.52
  6. Step 6: Final answer
    x = 418,776.10

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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.