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Finding the Fourth Proportional to 417,391.33, 625,963.87 and 177,504.78

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Solution

The fourth proportional to 417,391.33, 625,963.87 and 177,504.78 is: 266,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,391.33 : 625,963.87 = 177,504.78 : x
  2. Step 2: Convert to fraction form
    417,391.33/625,963.87 = 177,504.78/x
  3. Step 3: Cross multiply
    417,391.33x = 625,963.87 × 177,504.78
  4. Step 4: Simplify right side
    417,391.33x = 111,111,579,032.30
  5. Step 5: Solve for x
    x = 111,111,579,032.30/417,391.33
  6. Step 6: Final answer
    x = 266,204.81

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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.