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Finding the Fourth Proportional to 367,009.98, 550,456.03 and 100,708.30

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Solution

The fourth proportional to 367,009.98, 550,456.03 and 100,708.30 is: 151,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009.98 : 550,456.03 = 100,708.30 : x
  2. Step 2: Convert to fraction form
    367,009.98/550,456.03 = 100,708.30/x
  3. Step 3: Cross multiply
    367,009.98x = 550,456.03 × 100,708.30
  4. Step 4: Simplify right side
    367,009.98x = 55,435,491,006.05
  5. Step 5: Solve for x
    x = 55,435,491,006.05/367,009.98
  6. Step 6: Final answer
    x = 151,046.28

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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.