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Finding the Fourth Proportional to 565,993.07, 780,957.15 and 324,351.44

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Solution

The fourth proportional to 565,993.07, 780,957.15 and 324,351.44 is: 447,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,993.07 : 780,957.15 = 324,351.44 : x
  2. Step 2: Convert to fraction form
    565,993.07/780,957.15 = 324,351.44/x
  3. Step 3: Cross multiply
    565,993.07x = 780,957.15 × 324,351.44
  4. Step 4: Simplify right side
    565,993.07x = 253,304,576,180.80
  5. Step 5: Solve for x
    x = 253,304,576,180.80/565,993.07
  6. Step 6: Final answer
    x = 447,540.07

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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.