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Finding the Fourth Proportional to 365,634.13, 504,363.66 and 220,340.80

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Solution

The fourth proportional to 365,634.13, 504,363.66 and 220,340.80 is: 303,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,634.13 : 504,363.66 = 220,340.80 : x
  2. Step 2: Convert to fraction form
    365,634.13/504,363.66 = 220,340.80/x
  3. Step 3: Cross multiply
    365,634.13x = 504,363.66 × 220,340.80
  4. Step 4: Simplify right side
    365,634.13x = 111,131,892,335.33
  5. Step 5: Solve for x
    x = 111,131,892,335.33/365,634.13
  6. Step 6: Final answer
    x = 303,942.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.