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Finding the Fourth Proportional to 634,672.34, 950,739.24 and 381,813.56

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Solution

The fourth proportional to 634,672.34, 950,739.24 and 381,813.56 is: 571,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,672.34 : 950,739.24 = 381,813.56 : x
  2. Step 2: Convert to fraction form
    634,672.34/950,739.24 = 381,813.56/x
  3. Step 3: Cross multiply
    634,672.34x = 950,739.24 × 381,813.56
  4. Step 4: Simplify right side
    634,672.34x = 363,005,133,856.09
  5. Step 5: Solve for x
    x = 363,005,133,856.09/634,672.34
  6. Step 6: Final answer
    x = 571,956.76

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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.