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Finding the Fourth Proportional to 372,960.38, 514,685.38 and 203,194.51

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Solution

The fourth proportional to 372,960.38, 514,685.38 and 203,194.51 is: 280,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,960.38 : 514,685.38 = 203,194.51 : x
  2. Step 2: Convert to fraction form
    372,960.38/514,685.38 = 203,194.51/x
  3. Step 3: Cross multiply
    372,960.38x = 514,685.38 × 203,194.51
  4. Step 4: Simplify right side
    372,960.38x = 104,581,241,019.84
  5. Step 5: Solve for x
    x = 104,581,241,019.84/372,960.38
  6. Step 6: Final answer
    x = 280,408.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.