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Finding the Fourth Proportional to 464,469.06, 640,992.66 and 260,584.56

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Solution

The fourth proportional to 464,469.06, 640,992.66 and 260,584.56 is: 359,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,469.06 : 640,992.66 = 260,584.56 : x
  2. Step 2: Convert to fraction form
    464,469.06/640,992.66 = 260,584.56/x
  3. Step 3: Cross multiply
    464,469.06x = 640,992.66 × 260,584.56
  4. Step 4: Simplify right side
    464,469.06x = 167,032,790,269.33
  5. Step 5: Solve for x
    x = 167,032,790,269.33/464,469.06
  6. Step 6: Final answer
    x = 359,620.92

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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.