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Finding the Fourth Proportional to 407,360.56, 611,004.94 and 182,660.69

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Solution

The fourth proportional to 407,360.56, 611,004.94 and 182,660.69 is: 273,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,360.56 : 611,004.94 = 182,660.69 : x
  2. Step 2: Convert to fraction form
    407,360.56/611,004.94 = 182,660.69/x
  3. Step 3: Cross multiply
    407,360.56x = 611,004.94 × 182,660.69
  4. Step 4: Simplify right side
    407,360.56x = 111,606,580,878.78
  5. Step 5: Solve for x
    x = 111,606,580,878.78/407,360.56
  6. Step 6: Final answer
    x = 273,974.93

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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.