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Finding the Fourth Proportional to 363,027.30, 545,124.15 and 274,380.90

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Solution

The fourth proportional to 363,027.30, 545,124.15 and 274,380.90 is: 412,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,027.30 : 545,124.15 = 274,380.90 : x
  2. Step 2: Convert to fraction form
    363,027.30/545,124.15 = 274,380.90/x
  3. Step 3: Cross multiply
    363,027.30x = 545,124.15 × 274,380.90
  4. Step 4: Simplify right side
    363,027.30x = 149,571,654,888.74
  5. Step 5: Solve for x
    x = 149,571,654,888.74/363,027.30
  6. Step 6: Final answer
    x = 412,012.14

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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.