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Finding the Fourth Proportional to 297,772.40, 446,672.04 and 84,555.44

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Solution

The fourth proportional to 297,772.40, 446,672.04 and 84,555.44 is: 126,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,772.40 : 446,672.04 = 84,555.44 : x
  2. Step 2: Convert to fraction form
    297,772.40/446,672.04 = 84,555.44/x
  3. Step 3: Cross multiply
    297,772.40x = 446,672.04 × 84,555.44
  4. Step 4: Simplify right side
    297,772.40x = 37,768,550,877.90
  5. Step 5: Solve for x
    x = 37,768,550,877.90/297,772.40
  6. Step 6: Final answer
    x = 126,836.98

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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.