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Finding the Fourth Proportional to 464,455.54, 640,940.94 and 270,975.75

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Solution

The fourth proportional to 464,455.54, 640,940.94 and 270,975.75 is: 373,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,455.54 : 640,940.94 = 270,975.75 : x
  2. Step 2: Convert to fraction form
    464,455.54/640,940.94 = 270,975.75/x
  3. Step 3: Cross multiply
    464,455.54x = 640,940.94 × 270,975.75
  4. Step 4: Simplify right side
    464,455.54x = 173,679,448,717.50
  5. Step 5: Solve for x
    x = 173,679,448,717.50/464,455.54
  6. Step 6: Final answer
    x = 373,942.03

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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.