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Finding the Fourth Proportional to 576,912.28, 865,369.02 and 150,447.82

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Solution

The fourth proportional to 576,912.28, 865,369.02 and 150,447.82 is: 225,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,912.28 : 865,369.02 = 150,447.82 : x
  2. Step 2: Convert to fraction form
    576,912.28/865,369.02 = 150,447.82/x
  3. Step 3: Cross multiply
    576,912.28x = 865,369.02 × 150,447.82
  4. Step 4: Simplify right side
    576,912.28x = 130,192,882,554.54
  5. Step 5: Solve for x
    x = 130,192,882,554.54/576,912.28
  6. Step 6: Final answer
    x = 225,671.89

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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.