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Finding the Fourth Proportional to 481,302.96, 664,205.99 and 263,508

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Solution

The fourth proportional to 481,302.96, 664,205.99 and 263,508 is: 363,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,302.96 : 664,205.99 = 263,508 : x
  2. Step 2: Convert to fraction form
    481,302.96/664,205.99 = 263,508/x
  3. Step 3: Cross multiply
    481,302.96x = 664,205.99 × 263,508
  4. Step 4: Simplify right side
    481,302.96x = 175,023,590,695.38
  5. Step 5: Solve for x
    x = 175,023,590,695.38/481,302.96
  6. Step 6: Final answer
    x = 363,645.37

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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.