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Finding the Fourth Proportional to 594,578.82, 820,285.20 and 339,793.32

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Solution

The fourth proportional to 594,578.82, 820,285.20 and 339,793.32 is: 468,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,578.82 : 820,285.20 = 339,793.32 : x
  2. Step 2: Convert to fraction form
    594,578.82/820,285.20 = 339,793.32/x
  3. Step 3: Cross multiply
    594,578.82x = 820,285.20 × 339,793.32
  4. Step 4: Simplify right side
    594,578.82x = 278,727,431,454.86
  5. Step 5: Solve for x
    x = 278,727,431,454.86/594,578.82
  6. Step 6: Final answer
    x = 468,781.30

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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.