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Finding the Fourth Proportional to 376,558.97, 564,837.22 and 136,672.55

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Solution

The fourth proportional to 376,558.97, 564,837.22 and 136,672.55 is: 205,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,558.97 : 564,837.22 = 136,672.55 : x
  2. Step 2: Convert to fraction form
    376,558.97/564,837.22 = 136,672.55/x
  3. Step 3: Cross multiply
    376,558.97x = 564,837.22 × 136,672.55
  4. Step 4: Simplify right side
    376,558.97x = 77,197,741,438.54
  5. Step 5: Solve for x
    x = 77,197,741,438.54/376,558.97
  6. Step 6: Final answer
    x = 205,008.37

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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.