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Finding the Fourth Proportional to 297,351.30, 445,115.70 and 163,822.80

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Solution

The fourth proportional to 297,351.30, 445,115.70 and 163,822.80 is: 245,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,351.30 : 445,115.70 = 163,822.80 : x
  2. Step 2: Convert to fraction form
    297,351.30/445,115.70 = 163,822.80/x
  3. Step 3: Cross multiply
    297,351.30x = 445,115.70 × 163,822.80
  4. Step 4: Simplify right side
    297,351.30x = 72,920,100,297.96
  5. Step 5: Solve for x
    x = 72,920,100,297.96/297,351.30
  6. Step 6: Final answer
    x = 245,232.16

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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.