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Finding the Fourth Proportional to 580,649.85, 870,635.79 and 225,248.58

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Solution

The fourth proportional to 580,649.85, 870,635.79 and 225,248.58 is: 337,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,649.85 : 870,635.79 = 225,248.58 : x
  2. Step 2: Convert to fraction form
    580,649.85/870,635.79 = 225,248.58/x
  3. Step 3: Cross multiply
    580,649.85x = 870,635.79 × 225,248.58
  4. Step 4: Simplify right side
    580,649.85x = 196,109,475,394.68
  5. Step 5: Solve for x
    x = 196,109,475,394.68/580,649.85
  6. Step 6: Final answer
    x = 337,741.37

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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.