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Finding the Fourth Proportional to 652,807.72, 979,310.22 and 231,983.56

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Solution

The fourth proportional to 652,807.72, 979,310.22 and 231,983.56 is: 348,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,807.72 : 979,310.22 = 231,983.56 : x
  2. Step 2: Convert to fraction form
    652,807.72/979,310.22 = 231,983.56/x
  3. Step 3: Cross multiply
    652,807.72x = 979,310.22 × 231,983.56
  4. Step 4: Simplify right side
    652,807.72x = 227,183,871,179.98
  5. Step 5: Solve for x
    x = 227,183,871,179.98/652,807.72
  6. Step 6: Final answer
    x = 348,010.39

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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.