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Finding the Fourth Proportional to 580,490.55, 870,400.61 and 225,089.39

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Solution

The fourth proportional to 580,490.55, 870,400.61 and 225,089.39 is: 337,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,490.55 : 870,400.61 = 225,089.39 : x
  2. Step 2: Convert to fraction form
    580,490.55/870,400.61 = 225,089.39/x
  3. Step 3: Cross multiply
    580,490.55x = 870,400.61 × 225,089.39
  4. Step 4: Simplify right side
    580,490.55x = 195,917,936,883.08
  5. Step 5: Solve for x
    x = 195,917,936,883.08/580,490.55
  6. Step 6: Final answer
    x = 337,504.09

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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.