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Finding the Fourth Proportional to 417,195.54, 625,817.53 and 161,029.53

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Solution

The fourth proportional to 417,195.54, 625,817.53 and 161,029.53 is: 241,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,195.54 : 625,817.53 = 161,029.53 : x
  2. Step 2: Convert to fraction form
    417,195.54/625,817.53 = 161,029.53/x
  3. Step 3: Cross multiply
    417,195.54x = 625,817.53 × 161,029.53
  4. Step 4: Simplify right side
    417,195.54x = 100,775,102,721.66
  5. Step 5: Solve for x
    x = 100,775,102,721.66/417,195.54
  6. Step 6: Final answer
    x = 241,553.64

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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.