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Finding the Fourth Proportional to 446,469.67, 616,107.21 and 252,872.78

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Solution

The fourth proportional to 446,469.67, 616,107.21 and 252,872.78 is: 348,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,469.67 : 616,107.21 = 252,872.78 : x
  2. Step 2: Convert to fraction form
    446,469.67/616,107.21 = 252,872.78/x
  3. Step 3: Cross multiply
    446,469.67x = 616,107.21 × 252,872.78
  4. Step 4: Simplify right side
    446,469.67x = 155,796,742,970.74
  5. Step 5: Solve for x
    x = 155,796,742,970.74/446,469.67
  6. Step 6: Final answer
    x = 348,952.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.