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Finding the Fourth Proportional to 372,803.45, 514,474.62 and 203,037.44

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Solution

The fourth proportional to 372,803.45, 514,474.62 and 203,037.44 is: 280,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,803.45 : 514,474.62 = 203,037.44 : x
  2. Step 2: Convert to fraction form
    372,803.45/514,474.62 = 203,037.44/x
  3. Step 3: Cross multiply
    372,803.45x = 514,474.62 × 203,037.44
  4. Step 4: Simplify right side
    372,803.45x = 104,457,609,789.77
  5. Step 5: Solve for x
    x = 104,457,609,789.77/372,803.45
  6. Step 6: Final answer
    x = 280,194.86

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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.