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Finding the Fourth Proportional to 297,908.31, 446,890.01 and 84,680.67

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Solution

The fourth proportional to 297,908.31, 446,890.01 and 84,680.67 is: 127,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,908.31 : 446,890.01 = 84,680.67 : x
  2. Step 2: Convert to fraction form
    297,908.31/446,890.01 = 84,680.67/x
  3. Step 3: Cross multiply
    297,908.31x = 446,890.01 × 84,680.67
  4. Step 4: Simplify right side
    297,908.31x = 37,842,945,463.11
  5. Step 5: Solve for x
    x = 37,842,945,463.11/297,908.31
  6. Step 6: Final answer
    x = 127,028.83

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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.