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Finding the Fourth Proportional to 366,953.52, 550,485 and 130,276.44

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Solution

The fourth proportional to 366,953.52, 550,485 and 130,276.44 is: 195,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,953.52 : 550,485 = 130,276.44 : x
  2. Step 2: Convert to fraction form
    366,953.52/550,485 = 130,276.44/x
  3. Step 3: Cross multiply
    366,953.52x = 550,485 × 130,276.44
  4. Step 4: Simplify right side
    366,953.52x = 71,715,226,073.40
  5. Step 5: Solve for x
    x = 71,715,226,073.40/366,953.52
  6. Step 6: Final answer
    x = 195,434.09

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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.