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Finding the Fourth Proportional to 481,293.80, 664,193.27 and 263,498.79

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Solution

The fourth proportional to 481,293.80, 664,193.27 and 263,498.79 is: 363,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,293.80 : 664,193.27 = 263,498.79 : x
  2. Step 2: Convert to fraction form
    481,293.80/664,193.27 = 263,498.79/x
  3. Step 3: Cross multiply
    481,293.80x = 664,193.27 × 263,498.79
  4. Step 4: Simplify right side
    481,293.80x = 175,014,125,750.07
  5. Step 5: Solve for x
    x = 175,014,125,750.07/481,293.80
  6. Step 6: Final answer
    x = 363,632.62

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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.