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Finding the Fourth Proportional to 496,155.42, 744,177.78 and 136,353.84

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Solution

The fourth proportional to 496,155.42, 744,177.78 and 136,353.84 is: 204,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,155.42 : 744,177.78 = 136,353.84 : x
  2. Step 2: Convert to fraction form
    496,155.42/744,177.78 = 136,353.84/x
  3. Step 3: Cross multiply
    496,155.42x = 744,177.78 × 136,353.84
  4. Step 4: Simplify right side
    496,155.42x = 101,471,497,945.68
  5. Step 5: Solve for x
    x = 101,471,497,945.68/496,155.42
  6. Step 6: Final answer
    x = 204,515.55

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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.