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Finding the Fourth Proportional to 322,467.68, 483,700.01 and 82,581.12

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Solution

The fourth proportional to 322,467.68, 483,700.01 and 82,581.12 is: 123,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,467.68 : 483,700.01 = 82,581.12 : x
  2. Step 2: Convert to fraction form
    322,467.68/483,700.01 = 82,581.12/x
  3. Step 3: Cross multiply
    322,467.68x = 483,700.01 × 82,581.12
  4. Step 4: Simplify right side
    322,467.68x = 39,944,488,156.91
  5. Step 5: Solve for x
    x = 39,944,488,156.91/322,467.68
  6. Step 6: Final answer
    x = 123,871.29

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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.