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Finding the Fourth Proportional to 481,322.76, 664,199.07 and 263,489.31

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Solution

The fourth proportional to 481,322.76, 664,199.07 and 263,489.31 is: 363,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,322.76 : 664,199.07 = 263,489.31 : x
  2. Step 2: Convert to fraction form
    481,322.76/664,199.07 = 263,489.31/x
  3. Step 3: Cross multiply
    481,322.76x = 664,199.07 × 263,489.31
  4. Step 4: Simplify right side
    481,322.76x = 175,009,354,656.94
  5. Step 5: Solve for x
    x = 175,009,354,656.94/481,322.76
  6. Step 6: Final answer
    x = 363,600.83

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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.