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Finding the Fourth Proportional to 442,863.57, 610,941.22 and 261,453.97

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Solution

The fourth proportional to 442,863.57, 610,941.22 and 261,453.97 is: 360,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,863.57 : 610,941.22 = 261,453.97 : x
  2. Step 2: Convert to fraction form
    442,863.57/610,941.22 = 261,453.97/x
  3. Step 3: Cross multiply
    442,863.57x = 610,941.22 × 261,453.97
  4. Step 4: Simplify right side
    442,863.57x = 159,733,003,043.67
  5. Step 5: Solve for x
    x = 159,733,003,043.67/442,863.57
  6. Step 6: Final answer
    x = 360,682.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.