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Finding the Fourth Proportional to 594,821.94, 820,799.73 and 353,063.22

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Solution

The fourth proportional to 594,821.94, 820,799.73 and 353,063.22 is: 487,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,821.94 : 820,799.73 = 353,063.22 : x
  2. Step 2: Convert to fraction form
    594,821.94/820,799.73 = 353,063.22/x
  3. Step 3: Cross multiply
    594,821.94x = 820,799.73 × 353,063.22
  4. Step 4: Simplify right side
    594,821.94x = 289,794,195,648.93
  5. Step 5: Solve for x
    x = 289,794,195,648.93/594,821.94
  6. Step 6: Final answer
    x = 487,194.87

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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.