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Finding the Fourth Proportional to 580,565.27, 870,902.89 and 225,606.67

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Solution

The fourth proportional to 580,565.27, 870,902.89 and 225,606.67 is: 338,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,565.27 : 870,902.89 = 225,606.67 : x
  2. Step 2: Convert to fraction form
    580,565.27/870,902.89 = 225,606.67/x
  3. Step 3: Cross multiply
    580,565.27x = 870,902.89 × 225,606.67
  4. Step 4: Simplify right side
    580,565.27x = 196,481,498,165.00
  5. Step 5: Solve for x
    x = 196,481,498,165.00/580,565.27
  6. Step 6: Final answer
    x = 338,431.37

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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.