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Finding the Fourth Proportional to 580,639.35, 870,620.04 and 225,238.08

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Solution

The fourth proportional to 580,639.35, 870,620.04 and 225,238.08 is: 337,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,639.35 : 870,620.04 = 225,238.08 : x
  2. Step 2: Convert to fraction form
    580,639.35/870,620.04 = 225,238.08/x
  3. Step 3: Cross multiply
    580,639.35x = 870,620.04 × 225,238.08
  4. Step 4: Simplify right side
    580,639.35x = 196,096,786,219.12
  5. Step 5: Solve for x
    x = 196,096,786,219.12/580,639.35
  6. Step 6: Final answer
    x = 337,725.62

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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.