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Finding the Fourth Proportional to 481,842.12, 722,282.04 and 322,052.64

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Solution

The fourth proportional to 481,842.12, 722,282.04 and 322,052.64 is: 482,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,842.12 : 722,282.04 = 322,052.64 : x
  2. Step 2: Convert to fraction form
    481,842.12/722,282.04 = 322,052.64/x
  3. Step 3: Cross multiply
    481,842.12x = 722,282.04 × 322,052.64
  4. Step 4: Simplify right side
    481,842.12x = 232,612,837,806.59
  5. Step 5: Solve for x
    x = 232,612,837,806.59/481,842.12
  6. Step 6: Final answer
    x = 482,757.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.