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Finding the Fourth Proportional to 363,555.26, 544,520.79 and 263,485.73

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Solution

The fourth proportional to 363,555.26, 544,520.79 and 263,485.73 is: 394,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,555.26 : 544,520.79 = 263,485.73 : x
  2. Step 2: Convert to fraction form
    363,555.26/544,520.79 = 263,485.73/x
  3. Step 3: Cross multiply
    363,555.26x = 544,520.79 × 263,485.73
  4. Step 4: Simplify right side
    363,555.26x = 143,473,455,130.72
  5. Step 5: Solve for x
    x = 143,473,455,130.72/363,555.26
  6. Step 6: Final answer
    x = 394,640.03

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1.5x scale

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.