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Finding the Fourth Proportional to 297,998.40, 446,824.80 and 111,028.80

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Solution

The fourth proportional to 297,998.40, 446,824.80 and 111,028.80 is: 166,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,998.40 : 446,824.80 = 111,028.80 : x
  2. Step 2: Convert to fraction form
    297,998.40/446,824.80 = 111,028.80/x
  3. Step 3: Cross multiply
    297,998.40x = 446,824.80 × 111,028.80
  4. Step 4: Simplify right side
    297,998.40x = 49,610,421,354.24
  5. Step 5: Solve for x
    x = 49,610,421,354.24/297,998.40
  6. Step 6: Final answer
    x = 166,478.82

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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.