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Finding the Fourth Proportional to 585,049.20, 807,352.43 and 326,928.27

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Solution

The fourth proportional to 585,049.20, 807,352.43 and 326,928.27 is: 451,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,049.20 : 807,352.43 = 326,928.27 : x
  2. Step 2: Convert to fraction form
    585,049.20/807,352.43 = 326,928.27/x
  3. Step 3: Cross multiply
    585,049.20x = 807,352.43 × 326,928.27
  4. Step 4: Simplify right side
    585,049.20x = 263,946,334,037.52
  5. Step 5: Solve for x
    x = 263,946,334,037.52/585,049.20
  6. Step 6: Final answer
    x = 451,152.37

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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.