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Finding the Fourth Proportional to 323,941.51, 486,052.61 and 174,006.87

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Solution

The fourth proportional to 323,941.51, 486,052.61 and 174,006.87 is: 261,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,941.51 : 486,052.61 = 174,006.87 : x
  2. Step 2: Convert to fraction form
    323,941.51/486,052.61 = 174,006.87/x
  3. Step 3: Cross multiply
    323,941.51x = 486,052.61 × 174,006.87
  4. Step 4: Simplify right side
    323,941.51x = 84,576,493,321.43
  5. Step 5: Solve for x
    x = 84,576,493,321.43/323,941.51
  6. Step 6: Final answer
    x = 261,085.69

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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.