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Finding the Fourth Proportional to 538,584.40, 807,876.60 and 164,606.80

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Solution

The fourth proportional to 538,584.40, 807,876.60 and 164,606.80 is: 246,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,584.40 : 807,876.60 = 164,606.80 : x
  2. Step 2: Convert to fraction form
    538,584.40/807,876.60 = 164,606.80/x
  3. Step 3: Cross multiply
    538,584.40x = 807,876.60 × 164,606.80
  4. Step 4: Simplify right side
    538,584.40x = 132,981,981,920.88
  5. Step 5: Solve for x
    x = 132,981,981,920.88/538,584.40
  6. Step 6: Final answer
    x = 246,910.20

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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.