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Finding the Fourth Proportional to 447,348.52, 670,815.41 and 166,790.44

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Solution

The fourth proportional to 447,348.52, 670,815.41 and 166,790.44 is: 250,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,348.52 : 670,815.41 = 166,790.44 : x
  2. Step 2: Convert to fraction form
    447,348.52/670,815.41 = 166,790.44/x
  3. Step 3: Cross multiply
    447,348.52x = 670,815.41 × 166,790.44
  4. Step 4: Simplify right side
    447,348.52x = 111,885,594,038.60
  5. Step 5: Solve for x
    x = 111,885,594,038.60/447,348.52
  6. Step 6: Final answer
    x = 250,108.34

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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.