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Finding the Fourth Proportional to 450,951.81, 676,489.83 and 151,517.94

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Solution

The fourth proportional to 450,951.81, 676,489.83 and 151,517.94 is: 227,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,951.81 : 676,489.83 = 151,517.94 : x
  2. Step 2: Convert to fraction form
    450,951.81/676,489.83 = 151,517.94/x
  3. Step 3: Cross multiply
    450,951.81x = 676,489.83 × 151,517.94
  4. Step 4: Simplify right side
    450,951.81x = 102,500,346,172.78
  5. Step 5: Solve for x
    x = 102,500,346,172.78/450,951.81
  6. Step 6: Final answer
    x = 227,297.78

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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.