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Finding the Fourth Proportional to 585,520.28, 807,980.46 and 327,418.49

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Solution

The fourth proportional to 585,520.28, 807,980.46 and 327,418.49 is: 451,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,520.28 : 807,980.46 = 327,418.49 : x
  2. Step 2: Convert to fraction form
    585,520.28/807,980.46 = 327,418.49/x
  3. Step 3: Cross multiply
    585,520.28x = 807,980.46 × 327,418.49
  4. Step 4: Simplify right side
    585,520.28x = 264,547,738,122.80
  5. Step 5: Solve for x
    x = 264,547,738,122.80/585,520.28
  6. Step 6: Final answer
    x = 451,816.53

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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.