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Finding the Fourth Proportional to 264,838.70, 396,739.65 and 159,344.30

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Solution

The fourth proportional to 264,838.70, 396,739.65 and 159,344.30 is: 238,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,838.70 : 396,739.65 = 159,344.30 : x
  2. Step 2: Convert to fraction form
    264,838.70/396,739.65 = 159,344.30/x
  3. Step 3: Cross multiply
    264,838.70x = 396,739.65 × 159,344.30
  4. Step 4: Simplify right side
    264,838.70x = 63,218,201,811.50
  5. Step 5: Solve for x
    x = 63,218,201,811.50/264,838.70
  6. Step 6: Final answer
    x = 238,704.55

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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.