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Finding the Fourth Proportional to 627,524.48, 865,990.49 and 341,044.58

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Solution

The fourth proportional to 627,524.48, 865,990.49 and 341,044.58 is: 470,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,524.48 : 865,990.49 = 341,044.58 : x
  2. Step 2: Convert to fraction form
    627,524.48/865,990.49 = 341,044.58/x
  3. Step 3: Cross multiply
    627,524.48x = 865,990.49 × 341,044.58
  4. Step 4: Simplify right side
    627,524.48x = 295,341,356,910.87
  5. Step 5: Solve for x
    x = 295,341,356,910.87/627,524.48
  6. Step 6: Final answer
    x = 470,645.16

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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.