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Finding the Fourth Proportional to 496,626.20, 744,939.30 and 122,649.20

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Solution

The fourth proportional to 496,626.20, 744,939.30 and 122,649.20 is: 183,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,626.20 : 744,939.30 = 122,649.20 : x
  2. Step 2: Convert to fraction form
    496,626.20/744,939.30 = 122,649.20/x
  3. Step 3: Cross multiply
    496,626.20x = 744,939.30 × 122,649.20
  4. Step 4: Simplify right side
    496,626.20x = 91,366,209,193.56
  5. Step 5: Solve for x
    x = 91,366,209,193.56/496,626.20
  6. Step 6: Final answer
    x = 183,973.80

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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.