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Finding the Fourth Proportional to 297,425.31, 446,137.97 and 87,063.25

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Solution

The fourth proportional to 297,425.31, 446,137.97 and 87,063.25 is: 130,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,425.31 : 446,137.97 = 87,063.25 : x
  2. Step 2: Convert to fraction form
    297,425.31/446,137.97 = 87,063.25/x
  3. Step 3: Cross multiply
    297,425.31x = 446,137.97 × 87,063.25
  4. Step 4: Simplify right side
    297,425.31x = 38,842,220,065.94
  5. Step 5: Solve for x
    x = 38,842,220,065.94/297,425.31
  6. Step 6: Final answer
    x = 130,594.87

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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.