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Finding the Fourth Proportional to 297,990.74, 446,982.32 and 73,353.98

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Solution

The fourth proportional to 297,990.74, 446,982.32 and 73,353.98 is: 110,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,990.74 : 446,982.32 = 73,353.98 : x
  2. Step 2: Convert to fraction form
    297,990.74/446,982.32 = 73,353.98/x
  3. Step 3: Cross multiply
    297,990.74x = 446,982.32 × 73,353.98
  4. Step 4: Simplify right side
    297,990.74x = 32,787,930,110.11
  5. Step 5: Solve for x
    x = 32,787,930,110.11/297,990.74
  6. Step 6: Final answer
    x = 110,030.03

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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.