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Finding the Fourth Proportional to 580,260.24, 870,638.04 and 327,730.32

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Solution

The fourth proportional to 580,260.24, 870,638.04 and 327,730.32 is: 491,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,260.24 : 870,638.04 = 327,730.32 : x
  2. Step 2: Convert to fraction form
    580,260.24/870,638.04 = 327,730.32/x
  3. Step 3: Cross multiply
    580,260.24x = 870,638.04 × 327,730.32
  4. Step 4: Simplify right side
    580,260.24x = 285,334,483,453.37
  5. Step 5: Solve for x
    x = 285,334,483,453.37/580,260.24
  6. Step 6: Final answer
    x = 491,735.37

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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.