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Finding the Fourth Proportional to 419,044.50, 578,180.55 and 246,969.33

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Solution

The fourth proportional to 419,044.50, 578,180.55 and 246,969.33 is: 340,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,044.50 : 578,180.55 = 246,969.33 : x
  2. Step 2: Convert to fraction form
    419,044.50/578,180.55 = 246,969.33/x
  3. Step 3: Cross multiply
    419,044.50x = 578,180.55 × 246,969.33
  4. Step 4: Simplify right side
    419,044.50x = 142,792,863,052.53
  5. Step 5: Solve for x
    x = 142,792,863,052.53/419,044.50
  6. Step 6: Final answer
    x = 340,758.23

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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.