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Finding the Fourth Proportional to 363,003.80, 544,615.05 and 258,027.80

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Solution

The fourth proportional to 363,003.80, 544,615.05 and 258,027.80 is: 387,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,003.80 : 544,615.05 = 258,027.80 : x
  2. Step 2: Convert to fraction form
    363,003.80/544,615.05 = 258,027.80/x
  3. Step 3: Cross multiply
    363,003.80x = 544,615.05 × 258,027.80
  4. Step 4: Simplify right side
    363,003.80x = 140,525,823,198.39
  5. Step 5: Solve for x
    x = 140,525,823,198.39/363,003.80
  6. Step 6: Final answer
    x = 387,119.43

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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.