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Finding the Fourth Proportional to 363,025.80, 544,648.05 and 258,049.80

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Solution

The fourth proportional to 363,025.80, 544,648.05 and 258,049.80 is: 387,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,025.80 : 544,648.05 = 258,049.80 : x
  2. Step 2: Convert to fraction form
    363,025.80/544,648.05 = 258,049.80/x
  3. Step 3: Cross multiply
    363,025.80x = 544,648.05 × 258,049.80
  4. Step 4: Simplify right side
    363,025.80x = 140,546,320,372.89
  5. Step 5: Solve for x
    x = 140,546,320,372.89/363,025.80
  6. Step 6: Final answer
    x = 387,152.43

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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.