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Finding the Fourth Proportional to 372,912.04, 514,619.49 and 203,142.52

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Solution

The fourth proportional to 372,912.04, 514,619.49 and 203,142.52 is: 280,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,912.04 : 514,619.49 = 203,142.52 : x
  2. Step 2: Convert to fraction form
    372,912.04/514,619.49 = 203,142.52/x
  3. Step 3: Cross multiply
    372,912.04x = 514,619.49 × 203,142.52
  4. Step 4: Simplify right side
    372,912.04x = 104,541,100,039.72
  5. Step 5: Solve for x
    x = 104,541,100,039.72/372,912.04
  6. Step 6: Final answer
    x = 280,337.15

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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.