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Finding the Fourth Proportional to 437,693.73, 656,540.63 and 337,999.34

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Solution

The fourth proportional to 437,693.73, 656,540.63 and 337,999.34 is: 506,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,693.73 : 656,540.63 = 337,999.34 : x
  2. Step 2: Convert to fraction form
    437,693.73/656,540.63 = 337,999.34/x
  3. Step 3: Cross multiply
    437,693.73x = 656,540.63 × 337,999.34
  4. Step 4: Simplify right side
    437,693.73x = 221,910,294,650.48
  5. Step 5: Solve for x
    x = 221,910,294,650.48/437,693.73
  6. Step 6: Final answer
    x = 506,999.03

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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.