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Finding the Fourth Proportional to 272,558.88, 408,905.82 and 130,512.24

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Solution

The fourth proportional to 272,558.88, 408,905.82 and 130,512.24 is: 195,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,558.88 : 408,905.82 = 130,512.24 : x
  2. Step 2: Convert to fraction form
    272,558.88/408,905.82 = 130,512.24/x
  3. Step 3: Cross multiply
    272,558.88x = 408,905.82 × 130,512.24
  4. Step 4: Simplify right side
    272,558.88x = 53,367,214,517.24
  5. Step 5: Solve for x
    x = 53,367,214,517.24/272,558.88
  6. Step 6: Final answer
    x = 195,800.68

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1.5x scale

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.