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Finding the Fourth Proportional to 365,998.73, 548,981.91 and 99,759.22

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Solution

The fourth proportional to 365,998.73, 548,981.91 and 99,759.22 is: 149,634.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,998.73 : 548,981.91 = 99,759.22 : x
  2. Step 2: Convert to fraction form
    365,998.73/548,981.91 = 99,759.22/x
  3. Step 3: Cross multiply
    365,998.73x = 548,981.91 × 99,759.22
  4. Step 4: Simplify right side
    365,998.73x = 54,766,005,763.26
  5. Step 5: Solve for x
    x = 54,766,005,763.26/365,998.73
  6. Step 6: Final answer
    x = 149,634.42

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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.