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Finding the Fourth Proportional to 461,984, 637,537.92 and 250,016

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Solution

The fourth proportional to 461,984, 637,537.92 and 250,016 is: 345,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,984 : 637,537.92 = 250,016 : x
  2. Step 2: Convert to fraction form
    461,984/637,537.92 = 250,016/x
  3. Step 3: Cross multiply
    461,984x = 637,537.92 × 250,016
  4. Step 4: Simplify right side
    461,984x = 159,394,680,606.72
  5. Step 5: Solve for x
    x = 159,394,680,606.72/461,984
  6. Step 6: Final answer
    x = 345,022.08

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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.