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Finding the Fourth Proportional to 297,806.52, 446,785.02 and 87,444.48

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Solution

The fourth proportional to 297,806.52, 446,785.02 and 87,444.48 is: 131,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,806.52 : 446,785.02 = 87,444.48 : x
  2. Step 2: Convert to fraction form
    297,806.52/446,785.02 = 87,444.48/x
  3. Step 3: Cross multiply
    297,806.52x = 446,785.02 × 87,444.48
  4. Step 4: Simplify right side
    297,806.52x = 39,068,883,745.69
  5. Step 5: Solve for x
    x = 39,068,883,745.69/297,806.52
  6. Step 6: Final answer
    x = 131,188.81

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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.