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Finding the Fourth Proportional to 371,934, 557,573.82 and 147,452.12

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Solution

The fourth proportional to 371,934, 557,573.82 and 147,452.12 is: 221,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,934 : 557,573.82 = 147,452.12 : x
  2. Step 2: Convert to fraction form
    371,934/557,573.82 = 147,452.12/x
  3. Step 3: Cross multiply
    371,934x = 557,573.82 × 147,452.12
  4. Step 4: Simplify right side
    371,934x = 82,215,441,815.50
  5. Step 5: Solve for x
    x = 82,215,441,815.50/371,934
  6. Step 6: Final answer
    x = 221,048.47

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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.