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Finding the Fourth Proportional to 264,872.70, 396,790.65 and 159,378.30

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Solution

The fourth proportional to 264,872.70, 396,790.65 and 159,378.30 is: 238,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,872.70 : 396,790.65 = 159,378.30 : x
  2. Step 2: Convert to fraction form
    264,872.70/396,790.65 = 159,378.30/x
  3. Step 3: Cross multiply
    264,872.70x = 396,790.65 × 159,378.30
  4. Step 4: Simplify right side
    264,872.70x = 63,239,819,252.90
  5. Step 5: Solve for x
    x = 63,239,819,252.90/264,872.70
  6. Step 6: Final answer
    x = 238,755.52

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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.