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Finding the Fourth Proportional to 464,601.86, 641,072.84 and 273,653.28

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Solution

The fourth proportional to 464,601.86, 641,072.84 and 273,653.28 is: 377,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,601.86 : 641,072.84 = 273,653.28 : x
  2. Step 2: Convert to fraction form
    464,601.86/641,072.84 = 273,653.28/x
  3. Step 3: Cross multiply
    464,601.86x = 641,072.84 × 273,653.28
  4. Step 4: Simplify right side
    464,601.86x = 175,431,685,384.92
  5. Step 5: Solve for x
    x = 175,431,685,384.92/464,601.86
  6. Step 6: Final answer
    x = 377,595.74

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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.