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Finding the Fourth Proportional to 585,296.88, 807,698 and 327,172.56

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Solution

The fourth proportional to 585,296.88, 807,698 and 327,172.56 is: 451,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,296.88 : 807,698 = 327,172.56 : x
  2. Step 2: Convert to fraction form
    585,296.88/807,698 = 327,172.56/x
  3. Step 3: Cross multiply
    585,296.88x = 807,698 × 327,172.56
  4. Step 4: Simplify right side
    585,296.88x = 264,256,622,366.88
  5. Step 5: Solve for x
    x = 264,256,622,366.88/585,296.88
  6. Step 6: Final answer
    x = 451,491.60

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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.