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Finding the Fourth Proportional to 361,696.30, 542,433.64 and 250,093.69

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Solution

The fourth proportional to 361,696.30, 542,433.64 and 250,093.69 is: 375,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,696.30 : 542,433.64 = 250,093.69 : x
  2. Step 2: Convert to fraction form
    361,696.30/542,433.64 = 250,093.69/x
  3. Step 3: Cross multiply
    361,696.30x = 542,433.64 × 250,093.69
  4. Step 4: Simplify right side
    361,696.30x = 135,659,230,209.83
  5. Step 5: Solve for x
    x = 135,659,230,209.83/361,696.30
  6. Step 6: Final answer
    x = 375,063.92

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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.