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Finding the Fourth Proportional to 481,062.87, 663,856.83 and 266,202.81

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Solution

The fourth proportional to 481,062.87, 663,856.83 and 266,202.81 is: 367,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,062.87 : 663,856.83 = 266,202.81 : x
  2. Step 2: Convert to fraction form
    481,062.87/663,856.83 = 266,202.81/x
  3. Step 3: Cross multiply
    481,062.87x = 663,856.83 × 266,202.81
  4. Step 4: Simplify right side
    481,062.87x = 176,720,553,583.69
  5. Step 5: Solve for x
    x = 176,720,553,583.69/481,062.87
  6. Step 6: Final answer
    x = 367,354.38

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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.