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Finding the Fourth Proportional to 323,938.26, 486,047.72 and 174,003.62

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Solution

The fourth proportional to 323,938.26, 486,047.72 and 174,003.62 is: 261,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,938.26 : 486,047.72 = 174,003.62 : x
  2. Step 2: Convert to fraction form
    323,938.26/486,047.72 = 174,003.62/x
  3. Step 3: Cross multiply
    323,938.26x = 486,047.72 × 174,003.62
  4. Step 4: Simplify right side
    323,938.26x = 84,574,060,777.52
  5. Step 5: Solve for x
    x = 84,574,060,777.52/323,938.26
  6. Step 6: Final answer
    x = 261,080.80

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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.