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Finding the Fourth Proportional to 538,549.20, 807,862.20 and 164,571.60

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Solution

The fourth proportional to 538,549.20, 807,862.20 and 164,571.60 is: 246,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,549.20 : 807,862.20 = 164,571.60 : x
  2. Step 2: Convert to fraction form
    538,549.20/807,862.20 = 164,571.60/x
  3. Step 3: Cross multiply
    538,549.20x = 807,862.20 × 164,571.60
  4. Step 4: Simplify right side
    538,549.20x = 132,951,174,833.52
  5. Step 5: Solve for x
    x = 132,951,174,833.52/538,549.20
  6. Step 6: Final answer
    x = 246,869.13

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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.