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Finding the Fourth Proportional to 550,828.88, 826,247.92 and 151,491.55

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Solution

The fourth proportional to 550,828.88, 826,247.92 and 151,491.55 is: 227,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,828.88 : 826,247.92 = 151,491.55 : x
  2. Step 2: Convert to fraction form
    550,828.88/826,247.92 = 151,491.55/x
  3. Step 3: Cross multiply
    550,828.88x = 826,247.92 × 151,491.55
  4. Step 4: Simplify right side
    550,828.88x = 125,169,575,640.73
  5. Step 5: Solve for x
    x = 125,169,575,640.73/550,828.88
  6. Step 6: Final answer
    x = 227,238.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.