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Finding the Fourth Proportional to 376,187.49, 564,367.37 and 162,990.88

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Solution

The fourth proportional to 376,187.49, 564,367.37 and 162,990.88 is: 244,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,187.49 : 564,367.37 = 162,990.88 : x
  2. Step 2: Convert to fraction form
    376,187.49/564,367.37 = 162,990.88/x
  3. Step 3: Cross multiply
    376,187.49x = 564,367.37 × 162,990.88
  4. Step 4: Simplify right side
    376,187.49x = 91,986,732,053.71
  5. Step 5: Solve for x
    x = 91,986,732,053.71/376,187.49
  6. Step 6: Final answer
    x = 244,523.63

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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.