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Finding the Fourth Proportional to 264,841.20, 396,743.40 and 159,346.80

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Solution

The fourth proportional to 264,841.20, 396,743.40 and 159,346.80 is: 238,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,841.20 : 396,743.40 = 159,346.80 : x
  2. Step 2: Convert to fraction form
    264,841.20/396,743.40 = 159,346.80/x
  3. Step 3: Cross multiply
    264,841.20x = 396,743.40 × 159,346.80
  4. Step 4: Simplify right side
    264,841.20x = 63,219,791,211.12
  5. Step 5: Solve for x
    x = 63,219,791,211.12/264,841.20
  6. Step 6: Final answer
    x = 238,708.29

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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.