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Finding the Fourth Proportional to 371,958.67, 557,622.71 and 147,477.70

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Solution

The fourth proportional to 371,958.67, 557,622.71 and 147,477.70 is: 221,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,958.67 : 557,622.71 = 147,477.70 : x
  2. Step 2: Convert to fraction form
    371,958.67/557,622.71 = 147,477.70/x
  3. Step 3: Cross multiply
    371,958.67x = 557,622.71 × 147,477.70
  4. Step 4: Simplify right side
    371,958.67x = 82,236,914,738.57
  5. Step 5: Solve for x
    x = 82,236,914,738.57/371,958.67
  6. Step 6: Final answer
    x = 221,091.54

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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.