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Finding the Fourth Proportional to 366,953.52, 550,481.28 and 130,239.90

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Solution

The fourth proportional to 366,953.52, 550,481.28 and 130,239.90 is: 195,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,953.52 : 550,481.28 = 130,239.90 : x
  2. Step 2: Convert to fraction form
    366,953.52/550,481.28 = 130,239.90/x
  3. Step 3: Cross multiply
    366,953.52x = 550,481.28 × 130,239.90
  4. Step 4: Simplify right side
    366,953.52x = 71,694,626,859.07
  5. Step 5: Solve for x
    x = 71,694,626,859.07/366,953.52
  6. Step 6: Final answer
    x = 195,377.95

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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.