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Finding the Fourth Proportional to 481,084.96, 663,887.28 and 266,212.12

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Solution

The fourth proportional to 481,084.96, 663,887.28 and 266,212.12 is: 367,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,084.96 : 663,887.28 = 266,212.12 : x
  2. Step 2: Convert to fraction form
    481,084.96/663,887.28 = 266,212.12/x
  3. Step 3: Cross multiply
    481,084.96x = 663,887.28 × 266,212.12
  4. Step 4: Simplify right side
    481,084.96x = 176,734,840,249.83
  5. Step 5: Solve for x
    x = 176,734,840,249.83/481,084.96
  6. Step 6: Final answer
    x = 367,367.21

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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.