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Finding the Fourth Proportional to 363,003.30, 544,614.30 and 258,027.30

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Solution

The fourth proportional to 363,003.30, 544,614.30 and 258,027.30 is: 387,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,003.30 : 544,614.30 = 258,027.30 : x
  2. Step 2: Convert to fraction form
    363,003.30/544,614.30 = 258,027.30/x
  3. Step 3: Cross multiply
    363,003.30x = 544,614.30 × 258,027.30
  4. Step 4: Simplify right side
    363,003.30x = 140,525,357,370.39
  5. Step 5: Solve for x
    x = 140,525,357,370.39/363,003.30
  6. Step 6: Final answer
    x = 387,118.68

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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.