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Finding the Fourth Proportional to 881,464.35, 1,322,570.09 and 481,638

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Solution

The fourth proportional to 881,464.35, 1,322,570.09 and 481,638 is: 722,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,464.35 : 1,322,570.09 = 481,638 : x
  2. Step 2: Convert to fraction form
    881,464.35/1,322,570.09 = 481,638/x
  3. Step 3: Cross multiply
    881,464.35x = 1,322,570.09 × 481,638
  4. Step 4: Simplify right side
    881,464.35x = 637,000,013,007.42
  5. Step 5: Solve for x
    x = 637,000,013,007.42/881,464.35
  6. Step 6: Final answer
    x = 722,661.12

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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.