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Finding the Fourth Proportional to 634,055, 951,494.64 and 274,576.92

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Solution

The fourth proportional to 634,055, 951,494.64 and 274,576.92 is: 412,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,055 : 951,494.64 = 274,576.92 : x
  2. Step 2: Convert to fraction form
    634,055/951,494.64 = 274,576.92/x
  3. Step 3: Cross multiply
    634,055x = 951,494.64 × 274,576.92
  4. Step 4: Simplify right side
    634,055x = 261,258,467,647.71
  5. Step 5: Solve for x
    x = 261,258,467,647.71/634,055
  6. Step 6: Final answer
    x = 412,043.86

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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.