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Finding the Fourth Proportional to 627,524.74, 865,990.83 and 341,044.84

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Solution

The fourth proportional to 627,524.74, 865,990.83 and 341,044.84 is: 470,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,524.74 : 865,990.83 = 341,044.84 : x
  2. Step 2: Convert to fraction form
    627,524.74/865,990.83 = 341,044.84/x
  3. Step 3: Cross multiply
    627,524.74x = 865,990.83 × 341,044.84
  4. Step 4: Simplify right side
    627,524.74x = 295,341,704,058.82
  5. Step 5: Solve for x
    x = 295,341,704,058.82/627,524.74
  6. Step 6: Final answer
    x = 470,645.51

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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.