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Finding the Fourth Proportional to 372,933, 514,629.54 and 211,766.76

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Solution

The fourth proportional to 372,933, 514,629.54 and 211,766.76 is: 292,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,933 : 514,629.54 = 211,766.76 : x
  2. Step 2: Convert to fraction form
    372,933/514,629.54 = 211,766.76/x
  3. Step 3: Cross multiply
    372,933x = 514,629.54 × 211,766.76
  4. Step 4: Simplify right side
    372,933x = 108,981,430,286.09
  5. Step 5: Solve for x
    x = 108,981,430,286.09/372,933
  6. Step 6: Final answer
    x = 292,227.91

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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.