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Finding the Fourth Proportional to 337,146.81, 505,821.69 and 100,489.47

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Solution

The fourth proportional to 337,146.81, 505,821.69 and 100,489.47 is: 150,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,146.81 : 505,821.69 = 100,489.47 : x
  2. Step 2: Convert to fraction form
    337,146.81/505,821.69 = 100,489.47/x
  3. Step 3: Cross multiply
    337,146.81x = 505,821.69 × 100,489.47
  4. Step 4: Simplify right side
    337,146.81x = 50,829,753,542.60
  5. Step 5: Solve for x
    x = 50,829,753,542.60/337,146.81
  6. Step 6: Final answer
    x = 150,764.45

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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.