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Finding the Fourth Proportional to 481,295.48, 664,195.62 and 263,500.51

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Solution

The fourth proportional to 481,295.48, 664,195.62 and 263,500.51 is: 363,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,295.48 : 664,195.62 = 263,500.51 : x
  2. Step 2: Convert to fraction form
    481,295.48/664,195.62 = 263,500.51/x
  3. Step 3: Cross multiply
    481,295.48x = 664,195.62 × 263,500.51
  4. Step 4: Simplify right side
    481,295.48x = 175,015,884,609.77
  5. Step 5: Solve for x
    x = 175,015,884,609.77/481,295.48
  6. Step 6: Final answer
    x = 363,635.01

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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.