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Finding the Fourth Proportional to 372,415.97, 558,901.11 and 182,978.03

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Solution

The fourth proportional to 372,415.97, 558,901.11 and 182,978.03 is: 274,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,415.97 : 558,901.11 = 182,978.03 : x
  2. Step 2: Convert to fraction form
    372,415.97/558,901.11 = 182,978.03/x
  3. Step 3: Cross multiply
    372,415.97x = 558,901.11 × 182,978.03
  4. Step 4: Simplify right side
    372,415.97x = 102,266,624,072.61
  5. Step 5: Solve for x
    x = 102,266,624,072.61/372,415.97
  6. Step 6: Final answer
    x = 274,603.22

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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.