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Finding the Fourth Proportional to 496,139.20, 744,208.80 and 180,555.10

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Solution

The fourth proportional to 496,139.20, 744,208.80 and 180,555.10 is: 270,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,139.20 : 744,208.80 = 180,555.10 : x
  2. Step 2: Convert to fraction form
    496,139.20/744,208.80 = 180,555.10/x
  3. Step 3: Cross multiply
    496,139.20x = 744,208.80 × 180,555.10
  4. Step 4: Simplify right side
    496,139.20x = 134,370,694,304.88
  5. Step 5: Solve for x
    x = 134,370,694,304.88/496,139.20
  6. Step 6: Final answer
    x = 270,832.65

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Similar ratio
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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.