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Finding the Fourth Proportional to 373,098.76, 514,879.92 and 203,336.52

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Solution

The fourth proportional to 373,098.76, 514,879.92 and 203,336.52 is: 280,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,098.76 : 514,879.92 = 203,336.52 : x
  2. Step 2: Convert to fraction form
    373,098.76/514,879.92 = 203,336.52/x
  3. Step 3: Cross multiply
    373,098.76x = 514,879.92 × 203,336.52
  4. Step 4: Simplify right side
    373,098.76x = 104,693,891,150.68
  5. Step 5: Solve for x
    x = 104,693,891,150.68/373,098.76
  6. Step 6: Final answer
    x = 280,606.38

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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.