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Finding the Fourth Proportional to 577,629.14, 866,446.14 and 379,205.06

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Solution

The fourth proportional to 577,629.14, 866,446.14 and 379,205.06 is: 568,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,629.14 : 866,446.14 = 379,205.06 : x
  2. Step 2: Convert to fraction form
    577,629.14/866,446.14 = 379,205.06/x
  3. Step 3: Cross multiply
    577,629.14x = 866,446.14 × 379,205.06
  4. Step 4: Simplify right side
    577,629.14x = 328,560,760,505.47
  5. Step 5: Solve for x
    x = 328,560,760,505.47/577,629.14
  6. Step 6: Final answer
    x = 568,809.19

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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.