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Finding the Fourth Proportional to 376,039.28, 564,231.17 and 162,872.39

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Solution

The fourth proportional to 376,039.28, 564,231.17 and 162,872.39 is: 244,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,039.28 : 564,231.17 = 162,872.39 : x
  2. Step 2: Convert to fraction form
    376,039.28/564,231.17 = 162,872.39/x
  3. Step 3: Cross multiply
    376,039.28x = 564,231.17 × 162,872.39
  4. Step 4: Simplify right side
    376,039.28x = 91,897,680,988.16
  5. Step 5: Solve for x
    x = 91,897,680,988.16/376,039.28
  6. Step 6: Final answer
    x = 244,383.19

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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.