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Finding the Fourth Proportional to 399,601.94, 551,608.47 and 246,701.94

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Solution

The fourth proportional to 399,601.94, 551,608.47 and 246,701.94 is: 340,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,601.94 : 551,608.47 = 246,701.94 : x
  2. Step 2: Convert to fraction form
    399,601.94/551,608.47 = 246,701.94/x
  3. Step 3: Cross multiply
    399,601.94x = 551,608.47 × 246,701.94
  4. Step 4: Simplify right side
    399,601.94x = 136,082,879,669.43
  5. Step 5: Solve for x
    x = 136,082,879,669.43/399,601.94
  6. Step 6: Final answer
    x = 340,546.10

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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.