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Finding the Fourth Proportional to 550,477.41, 825,717.37 and 151,123.65

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Solution

The fourth proportional to 550,477.41, 825,717.37 and 151,123.65 is: 226,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,477.41 : 825,717.37 = 151,123.65 : x
  2. Step 2: Convert to fraction form
    550,477.41/825,717.37 = 151,123.65/x
  3. Step 3: Cross multiply
    550,477.41x = 825,717.37 × 151,123.65
  4. Step 4: Simplify right side
    550,477.41x = 124,785,418,694.21
  5. Step 5: Solve for x
    x = 124,785,418,694.21/550,477.41
  6. Step 6: Final answer
    x = 226,685.81

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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.