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Finding the Fourth Proportional to 594,819.09, 820,476 and 352,929.96

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Solution

The fourth proportional to 594,819.09, 820,476 and 352,929.96 is: 486,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,819.09 : 820,476 = 352,929.96 : x
  2. Step 2: Convert to fraction form
    594,819.09/820,476 = 352,929.96/x
  3. Step 3: Cross multiply
    594,819.09x = 820,476 × 352,929.96
  4. Step 4: Simplify right side
    594,819.09x = 289,570,561,860.96
  5. Step 5: Solve for x
    x = 289,570,561,860.96/594,819.09
  6. Step 6: Final answer
    x = 486,821.23

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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.