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Finding the Fourth Proportional to 538,540.56, 807,781.59 and 164,563.56

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Solution

The fourth proportional to 538,540.56, 807,781.59 and 164,563.56 is: 246,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,540.56 : 807,781.59 = 164,563.56 : x
  2. Step 2: Convert to fraction form
    538,540.56/807,781.59 = 164,563.56/x
  3. Step 3: Cross multiply
    538,540.56x = 807,781.59 × 164,563.56
  4. Step 4: Simplify right side
    538,540.56x = 132,931,414,152.86
  5. Step 5: Solve for x
    x = 132,931,414,152.86/538,540.56
  6. Step 6: Final answer
    x = 246,836.40

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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.