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Finding the Fourth Proportional to 258,753.56, 388,174.62 and 118,524.20

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Solution

The fourth proportional to 258,753.56, 388,174.62 and 118,524.20 is: 177,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,753.56 : 388,174.62 = 118,524.20 : x
  2. Step 2: Convert to fraction form
    258,753.56/388,174.62 = 118,524.20/x
  3. Step 3: Cross multiply
    258,753.56x = 388,174.62 × 118,524.20
  4. Step 4: Simplify right side
    258,753.56x = 46,008,086,295.80
  5. Step 5: Solve for x
    x = 46,008,086,295.80/258,753.56
  6. Step 6: Final answer
    x = 177,806.58

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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.