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Finding the Fourth Proportional to 496,626.24, 744,930.72 and 122,649.60

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Solution

The fourth proportional to 496,626.24, 744,930.72 and 122,649.60 is: 183,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,626.24 : 744,930.72 = 122,649.60 : x
  2. Step 2: Convert to fraction form
    496,626.24/744,930.72 = 122,649.60/x
  3. Step 3: Cross multiply
    496,626.24x = 744,930.72 × 122,649.60
  4. Step 4: Simplify right side
    496,626.24x = 91,365,454,835.71
  5. Step 5: Solve for x
    x = 91,365,454,835.71/496,626.24
  6. Step 6: Final answer
    x = 183,972.27

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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.