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Finding the Fourth Proportional to 370,696.38, 556,217.37 and 220,930.62

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Solution

The fourth proportional to 370,696.38, 556,217.37 and 220,930.62 is: 331,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,696.38 : 556,217.37 = 220,930.62 : x
  2. Step 2: Convert to fraction form
    370,696.38/556,217.37 = 220,930.62/x
  3. Step 3: Cross multiply
    370,696.38x = 556,217.37 × 220,930.62
  4. Step 4: Simplify right side
    370,696.38x = 122,885,448,408.87
  5. Step 5: Solve for x
    x = 122,885,448,408.87/370,696.38
  6. Step 6: Final answer
    x = 331,498.92

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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.