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Finding the Fourth Proportional to 694,470.30, 958,363.83 and 392,675.10

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Solution

The fourth proportional to 694,470.30, 958,363.83 and 392,675.10 is: 541,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,470.30 : 958,363.83 = 392,675.10 : x
  2. Step 2: Convert to fraction form
    694,470.30/958,363.83 = 392,675.10/x
  3. Step 3: Cross multiply
    694,470.30x = 958,363.83 × 392,675.10
  4. Step 4: Simplify right side
    694,470.30x = 376,325,612,781.63
  5. Step 5: Solve for x
    x = 376,325,612,781.63/694,470.30
  6. Step 6: Final answer
    x = 541,888.71

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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.