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Finding the Fourth Proportional to 580,593.92, 870,945.96 and 225,635.36

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Solution

The fourth proportional to 580,593.92, 870,945.96 and 225,635.36 is: 338,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,593.92 : 870,945.96 = 225,635.36 : x
  2. Step 2: Convert to fraction form
    580,593.92/870,945.96 = 225,635.36/x
  3. Step 3: Cross multiply
    580,593.92x = 870,945.96 × 225,635.36
  4. Step 4: Simplify right side
    580,593.92x = 196,516,205,225.15
  5. Step 5: Solve for x
    x = 196,516,205,225.15/580,593.92
  6. Step 6: Final answer
    x = 338,474.45

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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.