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Finding the Fourth Proportional to 305,826.71, 458,796.53 and 100,672.96

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Solution

The fourth proportional to 305,826.71, 458,796.53 and 100,672.96 is: 151,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,826.71 : 458,796.53 = 100,672.96 : x
  2. Step 2: Convert to fraction form
    305,826.71/458,796.53 = 100,672.96/x
  3. Step 3: Cross multiply
    305,826.71x = 458,796.53 × 100,672.96
  4. Step 4: Simplify right side
    305,826.71x = 46,188,404,712.83
  5. Step 5: Solve for x
    x = 46,188,404,712.83/305,826.71
  6. Step 6: Final answer
    x = 151,028.03

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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.