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Finding the Fourth Proportional to 464,367.36, 640,834.56 and 263,159.04

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Solution

The fourth proportional to 464,367.36, 640,834.56 and 263,159.04 is: 363,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,367.36 : 640,834.56 = 263,159.04 : x
  2. Step 2: Convert to fraction form
    464,367.36/640,834.56 = 263,159.04/x
  3. Step 3: Cross multiply
    464,367.36x = 640,834.56 × 263,159.04
  4. Step 4: Simplify right side
    464,367.36x = 168,641,407,608.42
  5. Step 5: Solve for x
    x = 168,641,407,608.42/464,367.36
  6. Step 6: Final answer
    x = 363,163.78

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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.