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Finding the Fourth Proportional to 366,813.20, 550,219.80 and 100,573.29

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Solution

The fourth proportional to 366,813.20, 550,219.80 and 100,573.29 is: 150,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,813.20 : 550,219.80 = 100,573.29 : x
  2. Step 2: Convert to fraction form
    366,813.20/550,219.80 = 100,573.29/x
  3. Step 3: Cross multiply
    366,813.20x = 550,219.80 × 100,573.29
  4. Step 4: Simplify right side
    366,813.20x = 55,337,415,509.14
  5. Step 5: Solve for x
    x = 55,337,415,509.14/366,813.20
  6. Step 6: Final answer
    x = 150,859.94

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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.