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Finding the Fourth Proportional to 800,517.84, 1,104,705.54 and 437,937.54

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Solution

The fourth proportional to 800,517.84, 1,104,705.54 and 437,937.54 is: 604,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,517.84 : 1,104,705.54 = 437,937.54 : x
  2. Step 2: Convert to fraction form
    800,517.84/1,104,705.54 = 437,937.54/x
  3. Step 3: Cross multiply
    800,517.84x = 1,104,705.54 × 437,937.54
  4. Step 4: Simplify right side
    800,517.84x = 483,792,026,611.97
  5. Step 5: Solve for x
    x = 483,792,026,611.97/800,517.84
  6. Step 6: Final answer
    x = 604,348.84

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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.