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Finding the Fourth Proportional to 399,859.25, 599,882.66 and 273,558.96

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Solution

The fourth proportional to 399,859.25, 599,882.66 and 273,558.96 is: 410,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,859.25 : 599,882.66 = 273,558.96 : x
  2. Step 2: Convert to fraction form
    399,859.25/599,882.66 = 273,558.96/x
  3. Step 3: Cross multiply
    399,859.25x = 599,882.66 × 273,558.96
  4. Step 4: Simplify right side
    399,859.25x = 164,103,275,223.84
  5. Step 5: Solve for x
    x = 164,103,275,223.84/399,859.25
  6. Step 6: Final answer
    x = 410,402.60

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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.