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Finding the Fourth Proportional to 441,832.92, 662,749.08 and 126,289.92

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Solution

The fourth proportional to 441,832.92, 662,749.08 and 126,289.92 is: 189,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,832.92 : 662,749.08 = 126,289.92 : x
  2. Step 2: Convert to fraction form
    441,832.92/662,749.08 = 126,289.92/x
  3. Step 3: Cross multiply
    441,832.92x = 662,749.08 × 126,289.92
  4. Step 4: Simplify right side
    441,832.92x = 83,698,528,293.27
  5. Step 5: Solve for x
    x = 83,698,528,293.27/441,832.92
  6. Step 6: Final answer
    x = 189,434.79

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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.