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Finding the Fourth Proportional to 427,057.92, 589,316.92 and 236,059.92

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Solution

The fourth proportional to 427,057.92, 589,316.92 and 236,059.92 is: 325,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,057.92 : 589,316.92 = 236,059.92 : x
  2. Step 2: Convert to fraction form
    427,057.92/589,316.92 = 236,059.92/x
  3. Step 3: Cross multiply
    427,057.92x = 589,316.92 × 236,059.92
  4. Step 4: Simplify right side
    427,057.92x = 139,114,104,399.70
  5. Step 5: Solve for x
    x = 139,114,104,399.70/427,057.92
  6. Step 6: Final answer
    x = 325,749.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.