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Finding the Fourth Proportional to 558,226.71, 770,571.81 and 395,732.52

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Solution

The fourth proportional to 558,226.71, 770,571.81 and 395,732.52 is: 546,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,226.71 : 770,571.81 = 395,732.52 : x
  2. Step 2: Convert to fraction form
    558,226.71/770,571.81 = 395,732.52/x
  3. Step 3: Cross multiply
    558,226.71x = 770,571.81 × 395,732.52
  4. Step 4: Simplify right side
    558,226.71x = 304,940,324,212.26
  5. Step 5: Solve for x
    x = 304,940,324,212.26/558,226.71
  6. Step 6: Final answer
    x = 546,266.09

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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.